NOAA/NWS · 实时热榜

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of central, east central, and south central Missouri, including the following counties, in central Missouri, Benton, Camden, Maries, Miller, Morgan and Pulaski. In east central Missouri, Phelps. In south central Missouri, Dent. * WHEN...From this evening through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Numerous showers and thunderstorms are expected to develop across central Missouri tonight and continue into Thursday morning. Training of these storms may lead to localized flooding with some areas seeing up to 3 to 5 inches of rain. - http://www.weather.gov/safety/flood Safety instructions: You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Adams IL, Brown IL, Calhoun IL and Pike IL and Missouri, including the following areas, Audrain MO, Boone MO, Callaway MO, Cole MO, Crawford MO, Franklin MO, Gasconade MO, Jefferson MO, Knox MO, Lewis MO, Lincoln MO, Marion MO, Moniteau MO, Monroe MO, Montgomery MO, Osage MO, Pike MO, Ralls MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO, Shelby MO, Warren MO and Washington MO. * WHEN...From this evening through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Training thunderstorms with high rainfall rates are expected within the watch area late this evening into Thursday morning. Safety instructions: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

* AFFECTED AREA...Fire Weather Zones 211, 212, 213, 214, 217, and 218. * TIMING...From noon today to 7 PM MDT this evening. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. Safety instructions: Follow all fire restrictions. Avoid activities that can cause sparks and do not park hot vehicles on dry vegetation. One less spark, one less wildfire.

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of central, north central, and northeast Missouri, including the following areas, in central Missouri, Cooper, Howard, Pettis and Saline. In north central Missouri, Chariton, Linn MO, Macon, Putnam, Randolph and Sullivan. In northeast Missouri, Adair and Schuyler. * WHEN...From this evening through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. * ADDITIONAL DETAILS... - Widespread rainfall amounts between 1 to 2 inches is expected Wednesday evening and into the overnight hours. Localized rainfall amounts exceeding 3 inches is possible, which could lead to flash flooding across the area. - http://www.weather.gov/safety/flood Safety instructions: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of southeast Iowa. * WHEN...Through early this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Rainfall Tuesday evening has primed this area relative to other areas of southern Iowa. If rainfall rounds repeat over this area through early this evening, this may result in isolated flash flooding. Safety instructions: For the latest stream observations and forecasts refer to weather.gov/desmoines/water.

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of Illinois, including the following areas, Hancock, Henderson, McDonough, Mercer and Warren, southeast Iowa, including the following areas, Des Moines, Henry IA, Jefferson, Keokuk, Lee, Louisa, Van Buren and Washington, and northeast Missouri, including the following areas, Clark and Scotland. * WHEN...Through 7 PM this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Training thunderstorms with heavy rainfall rates are possible within the watch area early this morning through this evening. Safety instructions: You should monitor later forecasts and be alert for possible Flash Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 538 IN EFFECT UNTIL 10 PM MST THIS EVENING FOR THE FOLLOWING AREAS IN ARIZONA THIS WATCH INCLUDES 5 COUNTIES IN SOUTH CENTRAL ARIZONA PIMA IN SOUTHEAST ARIZONA COCHISE GRAHAM GREENLEE SANTA CRUZ THIS INCLUDES THE CITIES OF CLIFTON, DOUGLAS, DUNCAN, MORENCI, NOGALES, SAFFORD, SIERRA VISTA, THATCHER, AND TUCSON.

* IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon, Fire Weather zones 620, 621, 622, and 623, including the East Evans Creek Fire, as well as Medford, Grants Pass, Ashland, Cave Junction, Eagle Point, Shady Cove, and the Siskiyous and southern Oregon Cascades. * WIND...Northwest 10 to 15 mph with gusts up to 25 mph in the afternoons, becoming east to northeast overnight. * HUMIDITY...Minimum humidity 8 to 15 percent, with poor recoveries as low as 20 percent. * ADDITIONAL INFORMATION...Increasingly unstable conditions could further increase fire activity. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.

* AFFECTED AREA...In Colorado, Fire Weather Zone 205 Colorado River Headwaters and Fire Weather Zone 293 Gunnison Basin Forecast Area. * TIMING...From 1 PM this afternoon to 8 PM MDT this evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...8 to 13 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. Safety instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

* IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon, Fire Weather zones 620, 621, 622, and 623, including the East Evans Creek Fire, as well as Medford, Grants Pass, Ashland, Cave Junction, Eagle Point, Shady Cove, and the Siskiyous and southern Oregon Cascades. * WIND...Northwest 10 to 15 mph with gusts up to 25 mph in the afternoons, becoming east to northeast overnight. * HUMIDITY...Minimum humidity 8 to 15 percent, with poor recoveries as low as 20 percent. * ADDITIONAL INFORMATION...Increasingly unstable conditions could further increase fire activity. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.

* IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In California...Fire weather zone 280, and in Oregon, Fire weather zones 616 and 617. This includes the Castle fire as well as Roseburg, Toketee Falls, Elkton, Tiller, Happy Camp, Etna, and Fort Jones. * WIND...Northwest 10 to 15 mph with gusts up to 25 mph in the afternoons, becoming east to northeast overnight. * HUMIDITY...Minimum humidity 8 to 15 percent, with poor recoveries as low as 20 percent. * ADDITIONAL INFORMATION...Increasingly unstable conditions could further increase fire activity. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 98 to 114 degrees. Major Heat Risk. * WHERE...Chuckwalla Mountains, Chiriaco Summit, and Joshua Tree National Park. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Chesterfield County in central Virginia... Southeastern Henrico County in central Virginia... Southwestern Charles City County in east central Virginia... Northeastern Prince George County in south central Virginia... Surry County in southeastern Virginia... North Central Sussex County in southeastern Virginia... * WHEN...Until 100 AM EDT Wednesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 656 PM EDT, VDOT reported multiple closed roads due to flooding across northern Prince George County. Flooding is already occurring. Between 2.5 and 6.5 inches of rain have fallen. - Additional rainfall amounts up to 0.5 inches are possible in the warned area. - Some locations that will experience flooding include... Disputanta, Prince George, Garysville, Burrowsville, Jordans Point, Barham, Oak Hill Corner, Prince George Golf, Barnetts and Wayside. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Yentna River including Lake Creek. * WHEN...Until 100 PM AKDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. * ADDITIONAL DETAILS... - At 348 PM AKDT, The river gauge at the Yentna River at Lake Creek indicates rises in water levels from heavy rain across the warned area. Flooding is ongoing. Trees and debris larger than telephone poles have been observed flowing down the river. Between 1.0 and 2.5 inches of rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are possible with higher amounts possible in the upper Yentna Basin. - For Yentna River at Lake Creek: At 7:51am the stage was 20.7 feet. Flood Stage is 20.5 feet. Forecast: A crest slightly above 22 feet late tonight and into early Wednesday morning. Impacts: Between 21 and 22 feet, several lodges may have water in or around low-lying cabins. - http://www.weather.gov/safety/flood Safety instructions: Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information.

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 104 to 116 degrees. Major Heat Risk. * WHERE...In Arizona, La Paz and Yuma counties. In California, Palo Verde Valley. * WHEN...Until 8 PM MST /8 PM PDT/ Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

* AFFECTED AREA...Fire weather zones 120, 122, 134, 135, 136, and 137. * WIND...Northwest at 15 to 25 mph with gusts to 35 mph. * HUMIDITY...As low as 10 percent south of the Missouri River, and as low as 20 percent near the Canadian Border. * THUNDERSTORMS...None * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. Safety instructions: Please advise the appropriate officials or fire crews in these areas of this Fire Weather Watch.

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 104 to 118 degrees. Major Heat Risk. * WHERE...Imperial County, including the Imperial Valley and El Centro. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

* IMPACTS...Any fires that develop will likely spread rapidly. * AFFECTED AREA...In Oregon, Fire Weather zones 616, 617, 620, 621, 622, and 623, including the East Evans Creek and Castle Fires, as well as Medford, Grants Pass, Ashland, Cave Junction, Shady Cove, Roseburg, Toketee Falls, Elkton, Tiller and the Siskiyous and southern Oregon Cascades. In California...Fire weather zones 280 and 282. This includes Happy Camp, Etna, Fort Jones, Mt Shasta City, Dunsmuir and McCloud. * WIND...Northwest to west 10 to 15 mph with gusts up to 25 mph, except south to southwest in Fire Weather Zone 282. * HUMIDITY...Minimum humidity 8 to 15 percent. * ADDITIONAL INFORMATION...Increasingly unstable conditions could further increase fire activity. * DETAILED URL...View the hazard area in detail at https://weather.gov/wrh/hazards?wfo=mfr Safety instructions: Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.

* AFFECTED AREA...Fire Weather Zones 212, 214, 217 and 218. * TIMING...From noon to 7 PM MDT Wednesday. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. Safety instructions: Follow all fire restrictions. Avoid activities that can cause sparks and do not park hot vehicles on dry vegetation. One less spark, one less wildfire. A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

...The Flood Warning is extended for the following rivers in Texas... Nueces River Near Three Rivers affecting Live Oak County. Nueces River Near Tilden affecting McMullen County. For the Nueces River...including Cotulla, Tilden, Three Rivers, Mathis, Bluntzer, Calallen...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Nueces River near Three Rivers. * WHEN...Until Thursday evening. * IMPACTS...At 32.0 feet, The Nueces River backs up minor creeks to near the slab elevation of homes in the River Creek Acres Subdivision, five miles southeast of George West. Livestock are cut off and could drown in low areas of the flood plain. * ADDITIONAL DETAILS... - At 7:15 PM CDT Tuesday the stage was 33.5 feet. - Bankfull stage is 20.0 feet. - Forecast...The river is expected to fall below flood stage early Thursday morning and continue falling to 9.0 feet Sunday evening. - Flood stage is 25.0 feet. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov/crp.

* WHAT...Dangerously hot conditions with high temperatures of 110 to 115 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* AFFECTED AREA...Fire Weather Zones 211 and 213. * TIMING...From noon to 7 PM MDT Wednesday. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 8 percent. * IMPACTS...Conditions will be favorable for rapid fire spread. Avoid outdoor burning and any activity that may produce a spark and start a wildfire. Safety instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.

* WHAT...Dangerously hot conditions with highs 110 to 120 degrees across the Mojave Desert. Highs 95 to 105 degrees across most of the southern Great Basin and Arizona Strip. Little to no overnight relief is expected, particularly in the Mojave Desert where lows of 80 to 95 degrees are forecast. This will result in Major-to-Extreme Heat Risk. * WHERE...Portions of northwest Arizona, southeast California, and south central and southern Nevada. * WHEN...Until 8 PM PDT /8 PM MST/ Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates.

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 106 to 114 degrees. Major Heat Risk. * WHERE...The Phoenix metropolitan area. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Central and Southeast Montgomery, Charles and Prince Georges, and Virginia, including the following areas, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Fairfax, Southern Fauquier, Spotsylvania and Stafford. * WHEN...From 4 AM EDT Wednesday through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Showers and isolated thunderstorms are likely late tonight into Wednesday morning as a warm front lifts through the area. Rainfall will likely be heavy at times, with localized rainfall amounts around 2-4 inches within an hour or two possible. This may cause flash flooding in urban areas along with the possibility for creeks and streams to rise quickly out of their banks. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information Safety instructions: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

...The Flood Warning is extended for the following rivers in Texas... Nueces River Near Three Rivers affecting Live Oak County. Nueces River Near Tilden affecting McMullen County. For the Nueces River...including Cotulla, Tilden, Three Rivers, Mathis, Bluntzer, Calallen...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Nueces River near Tilden. * WHEN...Until Friday morning. * IMPACTS...At 18.0 feet, The flooding of livestock, roads, irrigation pumps and tank batteries occurs. Fences and hunting cabins are damaged. * ADDITIONAL DETAILS... - At 7:30 PM CDT Tuesday the stage was 17.2 feet. - Bankfull stage is 11.0 feet. - Forecast...The river is expected to fall below flood stage Thursday evening and continue falling through the weekend. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov/crp.

* WHAT...Dangerously hot and humid conditions. Afternoon temperatures 103 to 116 degrees. Major Heat Risk. * WHERE...Portions of Maricopa and Northern Pinal counties * WHEN...Until 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Overexposure can cause heat cramps and heat exhaustion to develop and, without intervention, can lead to heat stroke. * ADDITIONAL DETAILS...In Maricopa County, Call 2-1-1 to find a free cooling center, transportation, water and more. https://www.maricopa.gov/heat Safety instructions: An Extreme Heat Warning means that a period of very hot temperatures, even by local standards, will occur. Actions should be taken to lessen the impact of the extreme heat. Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose-fitting clothing when possible and drink plenty of water. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Public cooling shelters are available in some areas. Consult county officials for more details.

* WHAT...Dangerously hot conditions, with temperatures around 105 to 110 degrees expected. * WHERE...Marble and Glen Canyons; including Page. * WHEN...Until 8 PM MST /9 PM MDT/ Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take action when you see symptoms of heat exhaustion and heat stroke. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed.

* WHAT...Dangerously hot conditions below 4000 feet, with daytime temperatures ranging from 98 degrees at Havasupai Gardens, to 112 degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...Until 8 PM MST Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. Safety instructions: This warning is reserved for only the hottest days of the year and is issued when temperatures are expected to rise to dangerous levels. Day hikers on Bright Angel Trail should descend no farther than 1 1/2 miles from the upper trailhead. Between the hours of 10 AM and 4 PM, hikers should be out of the canyon or at Havasupai Gardens or Bright Angel campgrounds, physical activity is discouraged. All hikers should have adequate gear, including a wide-brimmed hat, sunscreen, salty snacks, sufficient water, and electrolyte mix. Doubling your calorie intake helps maintain your energy. Hike smart.

* WHAT...Dangerously hot conditions with high temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Dangerously hot conditions with high temperatures of 110 to 116 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* AFFECTED AREA...Fire Weather Zone 223. * WINDS...Northwest 5 to 15 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 7 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning. Safety instructions: A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

...The Flood Warning continues for the following rivers in Texas... Nueces River Near Three Rivers affecting Live Oak County. Nueces River Near Tilden affecting McMullen County. For the Nueces River...including Cotulla, Tilden, Three Rivers, Mathis, Bluntzer, Calallen...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Nueces River near Three Rivers. * WHEN...Until Thursday afternoon. * IMPACTS...At 35.0 feet, Major lowland flooding occurs. Flow backs up minor creeks to the slabs of lowest homes in the River Creek Acres Subdivision, five miles southeast of George West, requiring evacuations. Livestock are cut off and could drown in low areas. * ADDITIONAL DETAILS... - At 2:15 PM CDT Tuesday the stage was 34.2 feet. - Bankfull stage is 20.0 feet. - Forecast...The river is expected to fall below flood stage Thursday morning and continue falling to 9.2 feet early Sunday afternoon. - Flood stage is 25.0 feet. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov/crp.

...The Flood Warning continues for the following rivers in Texas... Nueces River Near Three Rivers affecting Live Oak County. Nueces River Near Tilden affecting McMullen County. For the Nueces River...including Cotulla, Tilden, Three Rivers, Mathis, Bluntzer, Calallen...Moderate flooding is forecast. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Nueces River near Tilden. * WHEN...Until late Thursday night. * IMPACTS...At 18.0 feet, The flooding of livestock, roads, irrigation pumps and tank batteries occurs. Fences and hunting cabins are damaged. * ADDITIONAL DETAILS... - At 2:30 PM CDT Tuesday the stage was 17.4 feet. - Bankfull stage is 11.0 feet. - Forecast...The river is expected to fall below flood stage Thursday evening and continue falling to 7.0 feet early Sunday afternoon. - Flood stage is 14.0 feet. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov/crp.

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 220... * AFFECTED AREA...Fire Weather Zone 220. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning. Safety instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY AFTERNOON THROUGH THURSDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 220... * AFFECTED AREA...Fire Weather Zone 220. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 6 percent. * IMPACTS...Fires will catch and spread quickly. Exercise extreme caution with any outdoor burning. Safety instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

* WHAT...Dangerously hot conditions with several days of Major to Extreme heat risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 110 degrees. Overnight lows will range from 75-80 degrees. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Stay cool, stay hydrated, stay informed. If you do not have air conditioning in your home or lack shelter, seek out resources provided by your local community management.

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Southeastern Chesterfield County in central Virginia... Southern Henrico County in central Virginia... The City of Colonial Heights in central Virginia... West Central Charles City County in east central Virginia... Northwestern Prince George County in south central Virginia... The City of Hopewell in south central Virginia... The Northwestern City of Petersburg in south central Virginia... * WHEN...Until 345 AM EDT Wednesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Numerous roads remain closed due to flooding. * ADDITIONAL DETAILS... - At 841 PM EDT, local law enforcement reported flooding across Hopewell. Flooding is already occurring. Between 4 and 6 inches of rain have fallen. - Some locations that will experience flooding include... Hopewell, Colonial Heights, Fort Lee, Virginia State University, Chester, Ettrick, Meadowville, Birchett Estate and Jordan Point Country Club. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads.

* WHAT...Dangerously hot conditions with high temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of DC, including the following , District of Columbia, Maryland, including the following areas, Central and Southeast Montgomery, Charles and Prince Georges, and northern Virginia, including the following areas, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Fairfax and Southern Fauquier. * WHEN...Until 11 AM EDT this morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Showers and isolated thunderstorms are ongoing this morning as a warm front lifts north through the area. Rainfall will be heavy at times, with localized rainfall amounts of 2 to 4 inches within an hour or two possible. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information Safety instructions: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

* WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...The District of Columbia, in Maryland for the following areas, Central and Southeast Montgomery, Charles and Prince Georges, and Virginia, including the following areas, Arlington/Falls Church/Alexandria, Central and Southeast Prince William/Manassas/Manassas Park, Fairfax, Southern Fauquier, Spotsylvania and Stafford. * WHEN...From late tonight through Wednesday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Showers are likely with isolated thunderstorms late tonight into Wednesday morning as a warm front lifts through the area. Rainfall will likely be heavy at times, with localized rainfall amounts around 2-4 inches within an hour or two possible. This may cause flash flooding in urban areas along with the possibility for creeks and streams to rise quickly out of their banks. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information Safety instructions: You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

* AFFECTED AREA...In Colorado, Fire Weather Zone 205 Colorado River Headwaters and Fire Weather Zone 293 Gunnison Basin Forecast Area. * TIMING...From 1 PM to 8 PM MDT Wednesday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...7 to 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. Safety instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

* WHAT...Hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...The Cuyama Valley. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Heat hazards may extend through Saturday. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.

* WHAT...Dangerously hot conditions with temperatures 102 to 110. * WHERE...Antelope Valley and nearby foothills. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Heat hazards may extend through Saturday. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.

* WHAT...Dangerously hot conditions, with temperatures up to 107. * WHERE...Marble and Glen Canyons. * WHEN...Until 8 PM MST /9 PM MDT/ Friday. * IMPACTS...Most individuals will be at risk for heat-related illnesses without effective cooling or adequate hydration, especially with prolonged outdoor exposure. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take action when you see symptoms of heat exhaustion and heat stroke. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed.

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Petersville Area * WHEN...Until 500 PM AKDT Wednesday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. * ADDITIONAL DETAILS... - At 359 AM AKDT, Doppler radar and automated rain gauges indicated scattered rain showers continue across the warned area. Flooding is ongoing or expected to begin shortly. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of up to 0.5 inches are possible. - http://www.weather.gov/safety/flood Safety instructions: Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.

* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Yentna River including Lake Creek. * WHEN...Until 100 PM AKDT Friday. * IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Streams continue to rise due to excess runoff from earlier rainfall. * ADDITIONAL DETAILS... - At 359 AM AKDT, The river gauge at the Yentna River at Lake Creek indicates rises in water levels from heavy rain across the warned area. Flooding is ongoing. Trees and debris larger than telephone poles have been observed flowing down the river. Between 1.0 and 2.5 inches of rain have fallen. Additional rainfall amounts of up to 0.5 inch are possible with higher amounts possible in the upper Yentna Basin. - For Yentna River at Lake Creek: At 3:50am the stage was 22.4 feet. Flood Stage is 20.5 feet. Forecast: Cresting Wednesday morning above 22 feet. Impacts: Between 21 and 22 feet, several lodges may have water in or around low-lying cabins. - http://www.weather.gov/safety/flood Safety instructions: Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information.

FFWAKQ The National Weather Service in Wakefield has issued a * Flash Flood Warning for... Northwestern Brunswick County in south central Virginia... Lunenburg County in south central Virginia... Mecklenburg County in south central Virginia... * Until 800 PM EDT. * At 500 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2.5 inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... South Hill, Chase City, Victoria, Kenbridge, Brodnax, Lunenburg, Clarksville, La Crosse, Boydton, Kells Corner, Rehoboth, Buffalo Springs, Nelson, Wightman, North View, Wilburn, Rogers Corner, Baskerville, Loves Mill and Fairview. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report flooding by calling 757-899-2415, posting to the NWS Wakefield Facebook page, or using X @NWSWAKEFIELDVA.

* WHAT...Dangerously hot conditions with several days of Major to Extreme heat risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 8 PM PDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 110 degrees. Overnight lows will range from 75-80 degrees. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. Stay cool, stay hydrated, stay informed. If you do not have air conditioning in your home or lack shelter, seek out resources provided by your local community management.

* WHAT...Hot daytime conditions with high temperatures between 98 and 106 common. * WHERE...The Cuyama Valley. * WHEN...Until 8 PM PDT Saturday. * IMPACTS...There is a high risk for dangerous heat illness, especially for sensitive groups like the very young, the very old, those without air conditioning, and those active outdoors. * ADDITIONAL DETAILS...Heat hazards may extend through Saturday. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.