NOAA/NWS · 实时热榜

* 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/ Sunday. * 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.

The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon today to 9 PM MDT this evening. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: Northwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 6 percent. * TEMPERATURES: Highs in the upper 80s to lower 90s. 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...For the Heat Advisory, high temperatures of 100 to 105 degrees with overnight lows of 64 to 72 degrees. Widespread Major (level 3 out of 4) HeatRisk across lower valleys. For the Extreme Heat Warning, high temperatures of 101 to 106 degrees with overnight lows of 67 to 74 degrees. Widespread Major (level 3 out of 4) HeatRisk and isolated Extreme HeatRisk (level 4 out of 4) in lower valleys. * WHERE...Western Nevada Basin and Range including Pyramid Lake. * WHEN...For the Heat Advisory, until 8 AM PDT Friday. For the Extreme Heat Warning, from 8 AM Friday to 8 AM PDT Monday. * IMPACTS...For the Heat Advisory, heat related illnesses will be more likely, especially for those spending extended periods outdoors, in poorly cooled indoor spaces, or who are sensitive to heat. For the Extreme Heat Warning, heat related illnesses increase significantly, particularly for those working or participating in outdoor activities. Safety instructions: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. To reduce risk during outdoor work, schedule 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!

The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon today to 9 PM MDT this evening. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...283...289...300. In North Central WY Fire Zone....281. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Johnson. In Southwest WY...Sweetwater. * WIND: Northwest 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 6 percent. * TEMPERATURES: Highs in the 90s. 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.

The National Weather Service in Riverton has issued a Red Flag Warning, which is in effect from noon today to 9 PM MDT this evening. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY...Fire Weather Zone 288. * COUNTIES AFFECTED: In Central WY...Fremont. In West Central WY...Sublette. * WIND: West 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 8 percent. * TEMPERATURES: Highs around 80. 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...Flooding caused by excessive rainfall continues to be 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...Until 10 AM CDT this morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Numerous showers and thunderstorms across central Missouri will continue into through this 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 continues to be possible. * WHERE...Portions of Kansas, including the following areas, Johnson KS, Leavenworth, Linn KS, Miami and Wyandotte and Missouri, including the following areas, Bates, Buchanan, Caldwell, Carroll, Cass, Chariton, Clay, Clinton, Cooper, Daviess, De Kalb, Grundy, Henry, Howard, Jackson, Johnson MO, Lafayette, Linn MO, Livingston, Macon, Pettis, Platte, Randolph, Ray and Saline. * WHEN...Until 10 AM CDT this 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 around 2-2.5 inches have already fallen. Continued heavy rainfall with ongoing thunderstorms could lead to flash flooding across the watch 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.

...The Flood Watch continues for the following rivers in Iowa... Thompson River at Davis City affecting Decatur County. * WHAT...Flooding is possible. * WHERE...The Thompson River at Davis City, or from the City of Grand River to the Iowa-Missouri border. * WHEN...Until further notice. * IMPACTS...At 9.0 feet, Water affects the low areas of the Davis City park as well as some rural roads. * ADDITIONAL DETAILS... - At 3:00 AM CDT Thursday the stage was 6.5 feet. - Forecast...Rises on the river are possible over the next few days. The river may reach flood stage. - Flood stage is 12.0 feet. Safety instructions: For the latest stream observations and forecasts refer to weather.gov/desmoines/water. If you are in the watch area, remain alert to possible flooding. River forecasts include observed precipitation plus forecast precipitation over the next 24 hours.

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Calhoun IL, Greene IL, Jersey IL, Madison IL, Monroe IL, Pike IL and Saint Clair IL and Missouri, including the following areas, Franklin MO, Jefferson MO, Lincoln MO, Pike MO, Saint Charles MO, Saint Louis City MO, Saint Louis MO, Warren MO and Washington MO. * WHEN...Until 1 PM CDT this afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Widespread showers and thunderstorms may yield isolated instances of flash flooding through early this afternoon. 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 continues to be possible. * WHERE...Portions of central, east central, and northeast Missouri, including the following areas, in central Missouri, Audrain MO, Boone MO, Callaway MO, Cole MO, Moniteau MO and Osage MO. In east central Missouri, Crawford MO, Gasconade MO and Montgomery MO. In northeast Missouri, Marion MO, Monroe MO, Ralls MO and Shelby MO. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Widespread showers and thunderstorms may yield isolated instances of flash flooding through mid 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 421 through 425. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph during the daytime. Expect lighter southwest winds overnight. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. 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.

* AFFECTED AREA...Fire weather zone 417 through 425 and 428 through 430. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph. * HUMIDITY...Between 5 and 10 percent. * IMPACTS...any fires that develop will likely spread rapidly. 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.

...The National Weather Service in Kansas City/Pleasant Hill has issued a Flood Warning for the following rivers in Missouri... Moniteau Creek near Fayette affecting Howard County. Petite Saline Creek near Boonville affecting Cooper County. This product along with additional weather and stream information is available at www.weather.gov/kc/. * WHAT...Moderate flooding is forecast. * WHERE...Petite Saline Creek near Boonville. * WHEN...From this afternoon to Friday evening. * IMPACTS...At 16.0 feet, Low lying woodlands and fields near the creek flood. At 19.5 feet, The creek floods U Highway about 4 miles southeast of Boonville. * ADDITIONAL DETAILS... - At 1:30 AM CDT Thursday the stage was 3.5 feet. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 19.9 feet just after midnight tonight. It will then fall below flood stage late tomorrow morning. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood

* WHAT...High temperatures 100 to 105 degrees in the valleys each afternoon. Low temperatures 73 to 78 degrees in the valleys each night. This will result in a major risk for heat-related illnesses for much of the population, especially those without effective cooling. * WHERE...South Central Elko and Southeastern Elko Counties. * WHEN...From 11 AM PDT this morning until 11 PM PDT Sunday evening. * IMPACTS...Heat-related illnesses increase significantly during extreme heat events. Safety instructions: 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Drink plenty of fluids, remain in an air-conditioned room, stay out of the sun, and check on relatives and neighbors.

* WHAT...Dangerously hot conditions with high temperatures of 108 to 114 expected. * WHERE...Coachella Valley, San Diego County Deserts, and San Gorgonio Pass near Banning. * WHEN...Until 8 PM PDT Sunday. * 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.

...The National Weather Service in Kansas City/Pleasant Hill has issued a Flood Warning for the following rivers in Missouri... Moniteau Creek near Fayette affecting Howard County. Petite Saline Creek near Boonville affecting Cooper County. This product along with additional weather and stream information is available at www.weather.gov/kc/. * WHAT...Minor flooding is forecast. * WHERE...Moniteau Creek near Fayette. * WHEN...From this morning to Friday morning. * IMPACTS...At 16.0 feet, Low-lying fields along Moniteau Creek flood. * ADDITIONAL DETAILS... - At 12:30 AM CDT Thursday the stage was 4.5 feet. - Forecast...The river is expected to rise above flood stage late this morning to a crest of 18.8 feet late this afternoon. It will then fall below flood stage late this evening. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood

* WHAT...Dangerously hot conditions with high temperatures of 100 to 110 expected. * WHERE...Apple and Lucerne Valleys. * WHEN...Until 8 PM PDT Sunday. * 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 426 and 427. * WIND...West to northwest winds from 15 to 25 mph with gusts up to 35 mph during the daytime. Expect southwest winds overnight. * HUMIDITY...Daytime minimum RH between 6 to 12 percent. Recoveries Wednesday night between 15 to 25 percent. * IMPACTS...any fires that develop will likely spread rapidly. 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.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY FRIDAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (60- 80% chance) overlap with low relative humidity and generate Red Flag conditions Friday afternoon and Saturday afternoon. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zone 703 Warm Springs Reservation. * TIMING...From Friday morning through Saturday evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 12 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. 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.

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 9 PM CDT /8 PM MDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR PORTIONS OF NORTHWEST AND SOUTHWEST NORTH DAKOTA... .Critical fire weather conditions are expected across much of western North Dakota today. Westerly winds will increase to around 15 to 25 mph with gusts up to 40 mph. A cold front will then move from northwest North Dakota to the southeast this afternoon into the early evening, shifting winds to the northwest. Relative humidity will fall to as low as 12 percent during the afternoon hours. * AFFECTED AREA...Much of western North Dakota. * TIMING...From noon CDT /11 AM MDT/ today to 9 PM CDT /8 PM MDT/ this evening. * WINDS...West to southwest winds 15 to 25 mph with gusts up to 40 mph then shifting to the northwest in afternoon and early evening. * RELATIVE HUMIDITY...Relative Humidity between 12 to 18 percent. * IMPACTS...Any fires that develop will spread rapidly. 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.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY FRIDAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (60- 80% chance) overlap with low relative humidity and generate Red Flag conditions Friday afternoon and Saturday afternoon. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zone 691 Lower Columbia Basin of Oregon. * TIMING...From Friday morning through Saturday evening. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 11 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. 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.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY FRIDAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (60- 80% chance) overlap with low relative humidity and generate Red Flag conditions Friday afternoon and Saturday afternoon. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...From Friday morning through Saturday evening. * WINDS...Northwest 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 14 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. 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.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY FRIDAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (60- 80% chance) overlap with low relative humidity and generate Red Flag conditions Friday afternoon and Saturday afternoon. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zones 701 Eastern Columbia River Gorge of Oregon and 702 East Slopes of the Mt. Hood National Forest. * TIMING...From Saturday morning through Saturday evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 17 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. 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.

* WIND...Northwest at 15 to 25 mph with gusts to 35 mph. * HUMIDITY...As low as 12 percent. * 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 Red Flag Warning.

...The Flood Warning is extended for the following rivers in Missouri... Big Creek at Blairstown affecting Johnson, Cass and Henry Counties. * WHAT...Minor flooding is forecast. * WHERE...Big Creek at Blairstown. * WHEN...From this afternoon to Saturday afternoon. * IMPACTS...At 20.0 feet, The west bank of the creek begins to flood. At 23.0 feet, Flooding occurs at the west approach to the N Highway bridge located 0.2 miles west of Blairstown. Flooding also occurs across B Highway near Big Creek which is several miles northwest of Blairstown. * ADDITIONAL DETAILS... - At 5:00 AM CDT Thursday the stage was 11.6 feet. - Forecast...The river is expected to rise above flood stage this afternoon to a crest of 21.5 feet this evening. It will then fall below flood stage early tomorrow afternoon. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product along with additional weather and stream information is available at www.weather.gov/kc/.

* IMPACTS: Low humidities, hot temperatures, gusty winds, and a wind shift with a cold front will create erratic fire behavior. * AFFECTED AREA: In Southeast MT Fire Zone...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Northwest SD...Harding. In Southeast MT...Carter...Custer...Fallon. * COLD FRONT: A cold front will move through Thursday afternoon and evening shifting winds out of the northwest and increasing wind speeds. * WIND: West 10 to 20 mph with gusts up to 30 mph. * HUMIDITY: As low as 10 percent. * TEMPERATURES: Up to 95 degrees. Safety instructions: A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of gusty winds, low relative humidity, and hot temperatures can contribute to extreme fire behavior.

...Forecast flooding changed from Minor to Moderate severity and increased in duration for the following rivers in Missouri... Big Creek at Blairstown affecting Henry, Johnson and Cass Counties. * WHAT...Moderate flooding is forecast. * WHERE...Big Creek at Blairstown. * WHEN...From this morning to Sunday morning. * IMPACTS...At 20.0 feet, The west bank of the creek begins to flood. At 23.0 feet, Flooding occurs at the west approach to the N Highway bridge located 0.2 miles west of Blairstown. Flooding also occurs across B Highway near Big Creek which is several miles northwest of Blairstown. At 26.0 feet, Many farm levees along Big Creek are overtopped. Flooding of rural areas behind the levees occurs. * ADDITIONAL DETAILS... - At 8:00 AM CDT Thursday the stage was 12.4 feet. - Forecast...The river is expected to rise above flood stage late this morning to a crest of 24.1 feet just after midnight tonight. It will then fall below flood stage Saturday morning. - Flood stage is 20.0 feet. - http://www.weather.gov/safety/flood Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. This product along with additional weather and stream information is available at www.weather.gov/kc/.

...The Flood Warning continues for the following rivers in Missouri... Petite Saline Creek near Boonville affecting Cooper County. ...The Flood Warning is cancelled for the following rivers in Missouri... Moniteau Creek near Fayette affecting Howard County. This product along with additional weather and stream information is available at www.weather.gov/kc/. * WHAT...Minor flooding is forecast. * WHERE...Petite Saline Creek near Boonville. * WHEN...From Friday morning to Friday evening. * IMPACTS...At 16.0 feet, Low lying woodlands and fields near the creek flood. * ADDITIONAL DETAILS... - At 7:30 AM CDT Thursday the stage was 6.3 feet. - Forecast...The river is expected to rise to a crest of 16.0 feet tomorrow morning. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood

FFWTWC The National Weather Service in Tucson has issued a * Flash Flood Warning for... Eastern Pima County in southeastern Arizona... * Until 830 AM MST. * At 537 AM MST, local law enforcement reported cars being stuck near or along Brawley Wash. Between 0.5 and 1 inch of rain has fallen with up to 5 feet of water moving through the wash. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Law enforcement reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Three Points. This includes Route 86 near mile marker 149. 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. Remain alert for flooding even in locations not receiving rain. Washes, streams, and rivers can become raging killer currents in a matter of minutes, even from distant rainfall.

* WHAT...Combination of afternoon highs ranging 98-103 and overnight lows in the middle 70s will contribute to major heat risk and elevated heat stress with limited overnight recovery. * WHERE...South Central Elko and Southeastern Elko Counties. * WHEN...From 11 AM Thursday to 11 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity 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.

* 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 146 PM AKDT, river gauge reports indicate rises in water levels from heavy rain across the warned area. Flooding is ongoing. Between 1.5 and 3 inches of rain have fallen. Additional rainfall amounts up to 0.25 inches are possible. - For Yentna River at Lake Creek: At 12:50pm the stage was 22.4 feet. Flood Stage is 20.5 feet. Forecast: A crest around 22.4 feet is expected around 4:00pm Wednesday. -The Yentna River at Lake Creek is forecast to go below flood stage Saturday morning August 8th. 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.

...The Flood Warning continues for the following rivers in Missouri... Moniteau Creek near Fayette affecting Howard County. This product along with additional weather and stream information is available at www.weather.gov/kc/. * WHAT...Minor flooding is forecast. * WHERE...Moniteau Creek near Fayette. * WHEN...From this morning to Friday morning. * IMPACTS...At 16.0 feet, Low-lying fields along Moniteau Creek flood. * ADDITIONAL DETAILS... - At 5:30 AM CDT Thursday the stage was 5.8 feet. - Forecast...The river is expected to rise above flood stage late this morning to a crest of 18.3 feet this afternoon. It will then fall below flood stage late this evening. - Flood stage is 16.0 feet. - http://www.weather.gov/safety/flood

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 9 PM CDT /8 PM MDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN NORTH DAKOTA... .Critical fire weather conditions are expected across much of western North Dakota today. Westerly winds will increase to around 15 to 25 mph with gusts up to 40 mph. A cold front will then move from northwest North Dakota to the southeast this afternoon into the early evening, shifting winds to the northwest. Relative humidity will fall to as low as 12 percent during the afternoon hours. * AFFECTED AREA...Williams. * TIMING...From noon today to 9 PM CDT this evening. * WINDS...West to southwest winds 15 to 25 mph with gusts to 40 mph shifting northwest in the afternoon. * RELATIVE HUMIDITY...Relative Humidity as low as 19 percent. * IMPACTS...Any fires that develop will spread rapidly. 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. Please advise the appropriate officials or fire crews in the field of this Red Flag Warning.

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON CDT /11 AM MDT/ TODAY TO 9 PM CDT /8 PM MDT/ THIS EVENING DUE TO WIND AND LOW RELATIVE HUMIDITY FOR MUCH OF WESTERN NORTH DAKOTA... .Critical fire weather conditions are expected across much of western North Dakota today. Westerly winds will increase to around 15 to 25 mph with gusts up to 40 mph. A cold front will then move from northwest North Dakota to the southeast this afternoon into the early evening, shifting winds to the northwest. Relative humidity will fall to as low as 12 percent during the afternoon hours. * AFFECTED AREA...Much of western North Dakota. * TIMING...From noon CDT /11 AM MDT/ today to 9 PM CDT /8 PM MDT/ this evening. * WINDS...West to southwest winds 15 to 25 mph with gusts up to 40 mph then shifting to the northwest in afternoon and early evening. * RELATIVE HUMIDITY...Relative Humidity between 12 to 18 percent. * IMPACTS...Any fires that develop will spread rapidly. 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. Please advise the appropriate officials or fire crews in the field of this Red Flag Warning.

...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. - Forecast...The river is expected to fall below flood stage late this morning and continue falling to 3.9 feet Tuesday morning. - Flood stage is 25.0 feet. - Flood History...This crest compares to a previous crest of 25.8 feet on 06/13/1981. - 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 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. - Forecast...The river is expected to fall below flood stage early tomorrow afternoon and continue falling to 6.2 feet Tuesday morning. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 16.5 feet on 07/03/2013. - 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.

At 649 AM CDT, most of the heavy rain had ended across Washington County. Between 2 and 4 inches of rain have fallen. 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... Potosi, Anthonies Mill, Mineral Point, Old Mines, Richwoods, Latty, Shirley and Cadet. This includes the following State Parks... Washington State Park. Safety instructions: 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.

The National Weather Service in Glasgow has issued a Red Flag Warning, which is in effect from 11 AM to 7 PM MDT Thursday. The Fire Weather Watch is no longer in effect. * WIND...Northwest at 15 to 25 mph with gusts to 35 mph. * HUMIDITY...As low as 12 percent. * 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 Red Flag Warning.

...The Flood Warning is extended for the following rivers in Texas... Nueces River Near Three Rivers affecting Live Oak County. ...The Flood Warning continues for the following rivers in Texas... Nueces River Near Tilden affecting McMullen County. For the Nueces River...including Cotulla, Tilden, Three Rivers, Mathis, Bluntzer, Calallen...Moderate flooding is forecast. - Forecast...The river is expected to fall below flood stage late tomorrow morning and continue falling to 7.8 feet Monday morning. - Flood stage is 25.0 feet. - Flood History...This crest compares to a previous crest of 30.9 feet on 06/07/2021. - 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 is extended for the following rivers in Texas... Nueces River Near Three Rivers affecting Live Oak County. ...The Flood Warning continues for the following rivers in Texas... Nueces River Near Tilden affecting McMullen County. For the Nueces River...including Cotulla, Tilden, Three Rivers, Mathis, Bluntzer, Calallen...Moderate flooding is forecast. - Forecast...The river is expected to fall below flood stage tomorrow evening and continue falling to 6.3 feet Monday morning. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 16.9 feet on 06/15/1986. - 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 temperatures up to 105 expected for most valley locations. Temperatures may approach or exceed 110 degrees for Lower Washington County, Glen Canyon, and Zion Canyon. Overnight lows in the upper 70s to low 80s will offer little relief. * WHERE...Capitol Reef National Park and Vicinity, Glen Canyon Recreation Area/Lake Powell, South Central Utah, Western Canyonlands, Lower Washington County, and Zion National Park. Warm overnight lows in the upper 70s to low 80s will offer little relief. * WHEN...From noon Thursday to 9 PM MDT 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.

* WHAT...Dangerously hot conditions with temperatures up to 104 expected. Warm overnight lows in the mid to high 70s will offer little relief. * WHERE...Castle Country, San Rafael Swell, Western Millard and Juab Counties, Great Salt Lake Desert and Mountains, Northern Wasatch Front, Salt Lake Valley, and Tooele and Rush Valleys. * WHEN...From noon Friday to midnight MDT Sunday Night. * 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.

At 1000 AM CDT, delayed spotter reports were received of flash flooding in the Murray area in western Clarke County around 840 am, with more than six inches of water flowing over some roads, where the heaviest rain occurred. Although floodwaters are likely on their way down, flash flooding remains possible especially in lower areas or areas small streams and other drainage areas. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Trained spotters reported. 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... Osceola, Corydon, Lakeside Casino, Murray, Seymour, Allerton, Humeston, Van Wert, Garden Grove, Woodburn, Weldon, Derby, Millerton, Le Roy and Murray Roadside Rest Area. Safety instructions: For the latest stream observations and forecasts refer to weather.gov/desmoines/water. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

* 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...Until 7 PM CDT 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 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.

* WHAT...Dangerously hot conditions with heat index values 93 possible. * WHERE...White Pine, Northern Lander and Northern Eureka, Southern Lander and Southern Eureka, Northern Elko, Ruby Mountains and East Humboldt Range, Southwest Elko, Humboldt, Northeastern Nye, and Northwestern Nye Counties. * WHEN...From Thursday morning through Sunday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity 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.

* WHAT...Dangerously hot conditions with heat index values 93 possible. * WHERE...South Central Elko and Southeastern Elko Counties. * WHEN...From Thursday morning through Sunday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity 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.

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southeast Iowa, including the following counties, in south central Iowa, Appanoose. In southeast Iowa, Davis and Wapello. * WHEN...Until 7 PM CDT 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 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...Dangerously hot and humid conditions. Afternoon temperatures 110 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.

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Northwestern Mercer County in central New Jersey... Southeastern Hunterdon County in northwestern New Jersey... Central Bucks County in southeastern Pennsylvania... * Until 700 PM EDT. * At 250 PM EDT, Doppler radar indicated heavy rainfall producing heavy rain across the warned area. Between 0.5 and 1 inch of rain has fallen. The expected rainfall rate is 0.5 to 1 inch in 30 minutes. Additional rainfall amounts up to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding caused by heavy rainfall. SOURCE...Radar. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. * Some locations that may experience flash flooding include... Trenton, Ewing, Doylestown, Byram, Bedminster, Flemington, Chalfont, Tinicum, Pennington, New Hope, Yardley and Newtown. This includes Interstate 295 in New Jersey between mile markers 65 and 76. Safety instructions: Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Move to higher ground now. Act quickly to protect your life. Be aware of your surroundings and do not drive on flooded roads.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY FRIDAY AND SATURDAY THROUGH THE CASCADES AND... .A dry cold front will push toward the area Friday and push by Saturday, bringing breezy west to southwesterly winds. The winds will be strongest near the Cascades and western Columbia Basin Friday and expand out toward the eastern Columbia Basin Saturday. Combined with low afternoon relative humidity values, poor to fair humidity recoveries at night, hot temperatures and dry fuels, this will bring the potential for critical fire weather conditions. * Affected Area: East Washington Central Cascades (Zone 696), East Portion of North Cascades National Park/Lake Chelan National Recreation Area (Zone 697), East Washington North Cascades (Zone 698), Okanogan Valley (Zone 703), Methow Valley (Zone 704), Foothills of Central Washington Cascades (Zone 705), Waterville Plateau (Zone 706) and Lower Palouse -Snake River (Zone 709). * Winds: West 10 to 20 mph with gusts up to 30 mph. Strongest winds Saturday. * Relative Humidities: 8 to 20 percent in the valleys and 20 to 30 percent in the higher terrain. * Impacts: Rapid fire spread is possible with any new or ongoing fires. 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.