NOAA/NWS · 实时热榜

SVRILN The National Weather Service in Wilmington has issued a * Severe Thunderstorm Warning for... Northeastern Preble County in west central Ohio... Southeastern Darke County in west central Ohio... Northwestern Montgomery County in west central Ohio... Miami County in west central Ohio... * Until 115 AM EDT. * At 1241 AM EDT, a severe thunderstorm was located over Lewisburg, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to trees and power lines. * Locations impacted include... Dayton, Troy, Piqua, Vandalia, Englewood, Tipp City, West Milton, Covington, Arcanum, Lewisburg, Pleasant Hill, Clayton, Union, Brookville, Phillipsburg, Verona, West Manchester, Laura, Pitsburg, and Potsdam. This includes the following Interstates... I-70 in Ohio between mile markers 9 and 29. I-75 in Ohio between mile markers 64 and 81. Safety instructions: For your protection move to an interior room on the lowest floor of a building. To report severe weather, go to our website at weather.gov/iln and submit your report via social media, when you can do so safely.

At 424 PM CDT, a confirmed tornado was located over Otterville, or near Independence, moving southeast at 45 mph. HAZARD...Damaging tornado and two inch hail. SOURCE...Emergency management confirmed tornado. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. This tornado will be near... Independence, Winthrop, Quasqueton, Rowley, and Buchanan County Fairgrounds around 430 PM CDT. Winthrop Golf Course and Monti around 435 PM CDT. Safety instructions: To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. This storm has a history of producing tornadoes. Seek shelter now! Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW! Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

FFWLWX The National Weather Service in Sterling Virginia has issued a * Flash Flood Warning for... East Central Baltimore County in northern Maryland... Southwestern Harford County in northern Maryland... * Until 745 PM EDT. * At 443 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen and an additional 1 to 2 inches are expected within the next hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. 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... Parkville... Carney... Perry Hall... Rosedale... Rossville... White Marsh... Kingsville... Edgewood... Joppatowne... Gunpowder... Upper Falls... Bradshaw... Nottingham... Joppa... Magnolia... Fullerton... Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

SVRLBF The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... Eastern Hooker County in west central Nebraska... Southwestern Thomas County in north central Nebraska... * Until 730 AM CDT/630 AM MDT/. * At 638 AM CDT/538 AM MDT/, a severe thunderstorm was located 7 miles southwest of Mullen, moving southeast at 25 mph. HAZARD...Ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. * Locations impacted include... Mullen, Highway 97 crossing the Dismal River, and Shimmons Lake. This includes the following highways... Highway 2 between mile markers 178 and 186. Highway 97 between mile markers 45 and 67. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

SVRTWC The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... Northwestern Cochise County in southeastern Arizona... Southwestern Graham County in southeastern Arizona... * Until 945 PM MST. * At 853 PM MST, a severe thunderstorm was located 14 miles northwest of Dragoon, moving southwest at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Muleshoe Ranch Preserve and Cascabel. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

FFWPBZ The National Weather Service in Pittsburgh has issued a * Flash Flood Warning for... Northwestern Monroe County in east central Ohio... Central Noble County in east central Ohio... * Until 515 PM EDT. * At 219 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1.5 and 2.5 inches of rain have fallen. Additional rainfall amounts up to 1 inch 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... Caldwell, Dudley, Summerfield, Sarahsville and Wolf Run State Park. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

SMWGYX The National Weather Service in Gray Maine has issued a * Special Marine Warning for... Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM... Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NM... Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM... * Until 500 AM EDT. * At 404 AM EDT, a strong thunderstorm was located 14 nm northeast of Jeffreys Ledge Buoy 44098, moving northeast at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters. Safety instructions: Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

At 724 PM EDT, severe thunderstorms were located along a line extending from near The Lower Entrance of Portage Canal to near Skanee, moving east at 25 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Baraga, Keweenaw Bay, The Lower Entrance of Portage Canal, Skanee, Arnheim, Jacobsville, Pequaming, Assinins, Rabbit Bay, and Point Abbaye. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

SVRABQ The National Weather Service in Albuquerque has issued a * Severe Thunderstorm Warning for... North Central Lincoln County in central New Mexico... * Until 715 PM MDT. * At 628 PM MDT, a severe thunderstorm was located 16 miles southeast of Corona. This storm was stationary. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Mainly rural areas of North Central Lincoln County. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail. Heavy rains from severe thunderstorms can produce sudden and dangerous flows in arroyos, ditches and over low water crossings. Do not attempt to drive through areas where water covers the roadway.

* WHAT...Dangerously hot conditions, with temperatures around 105 to 110 degrees. * WHERE...Marble and Glen Canyons; including Page. * WHEN...Until 8 PM MST /9 PM MDT/ this evening. * 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.

The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire.

SVRRLX The National Weather Service in Charleston West Virginia has issued a * Severe Thunderstorm Warning for... Calhoun County in north central West Virginia... Southeastern Ritchie County in northwestern West Virginia... Southwestern Doddridge County in northern West Virginia... Gilmer County in north central West Virginia... West central Lewis County in northern West Virginia... Northern Braxton County in north central West Virginia... Eastern Wirt County in northwestern West Virginia... * Until 830 PM EDT. * At 755 PM EDT, severe thunderstorms were located along a line extending from Harrisville to near Cedar Creek State Park, moving northeast at 70 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Glenville, Grantsville, Arnoldsburg, Cedar Creek State Park, Burnsville, Sand Fork, Pullman, Auburn, Shock, Millstone, Smithville, Mount Zion, Newberne, Alum Bridge, Big Springs, Berea, Brohard, Stumptown, Tanner, and Annamoriah. This includes the following highways... Interstate 79 between mile markers 74 and 86. Route 50 in West Virginia between mile markers 51 and 52. Safety instructions: For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

At 1004 PM CDT, a severe thunderstorm was located near Bonaparte, or 8 miles southeast of Keosauqua, moving south at 40 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Keosauqua, Donnellson, Bonaparte, Bentonsport/Vernon, Farmington, Mount Sterling, Van Buren County Fairgrounds, Keosauqua Airport, Lee County Fairgrounds, Mount Zion, Utica, Shimek State Forest, Indian Lake Park, Primrose, and Kilbourn. Safety instructions: For your protection move to an interior room on the lowest floor of a sturdy building. To report severe weather contact your nearest law enforcement agency. They will send your report to the National Weather Service office in the Quad Cities. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

At 339 PM EDT, a severe thunderstorm was located over Boonsboro, or 9 miles northeast of Shepherdstown, moving southeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. Locations impacted include... Frederick, Hagerstown, Shepherdstown, Municipal Stadium, Harry Grove Stadium, Ballenger Creek, Robinwood, Brunswick, Walkersville, Boonsboro, Braddock Heights, Mount Aetna, Mount Lena, San Mar, Clover Hill, Discovery-Spring Garden, Point Of Rocks, Wolfsville, Saint James, and Linganore-Bartonsville. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

At 439 PM CDT, a severe thunderstorm capable of producing a tornado was located near Winthrop, or 9 miles east of Independence, moving southeast at 45 mph. HAZARD...Tornado and golf ball size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. Locations impacted include... Monti. Safety instructions: TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. This storm has a history of producing tornadoes. Seek shelter now! Heavy rainfall may hide this tornado. Do not wait to see or hear the tornado. TAKE COVER NOW! Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

...The Flood Warning is extended for the following rivers in Texas... Nueces River Near Tilden affecting McMullen County. For the Nueces River...including Tilden...Minor flooding is forecast. - Forecast...The river is expected to rise to a crest of 15.2 feet just after midnight tonight. It will then fall below flood stage late tonight. - Flood stage is 14.0 feet. - Flood History...This crest compares to a previous crest of 15.2 feet on 09/19/1983. - 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 828 AM EDT, a severe thunderstorm was located 8 miles north of Cassville, or 9 miles southeast of Waynesburg, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will be near... Cassville around 830 AM EDT. Fairdale, Morgantown and Star City around 840 AM EDT. Other locations impacted by the severe thunderstorm include Mount Morris, Pentress, Core, Spraggs, Bobtown and Carmichaels. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds.

The storms which prompted the warning have moved out of the area. Therefore, the warning will be allowed to expire. However, gusty winds and heavy rain are still possible with these thunderstorms. A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for east central Iowa. Remember, a Severe Thunderstorm Warning still remains in effect for eastern Cedar County until 630 PM CDT.

* WHAT...Dangerously hot conditions with heat index values up to 108 possible. * WHERE...Portions of south central and southwest Illinois and central and east central Missouri. * WHEN...From Sunday afternoon through Wednesday 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.

* WHAT...Dangerously hot daytime conditions with high temperatures between 95 and 105 common, except locally up to 108 in the hottest locations. * WHERE...Northern Ventura County Mountains. * WHEN...Until 8 PM PDT Sunday. * 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. 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. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates. If you do not have air conditioning in your home or lack shelter, you can call 2 1 1 for assistance locating appropriate shelter from the heat.

For the following areas... Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore... At 900 PM EDT, strong thunderstorms were located along a line extending from 12 nm southeast of The Eastern Lake Superior Buoy to 33 nm northwest of Grand Sable Dunes to 15 nm north of Laughing Whitefish Point, moving east at 20 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Strong thunderstorms will remain over mainly open waters. Safety instructions: Move to safe harbor until hazardous weather passes.

At 1228 PM CDT, severe thunderstorms were located along a line extending from near Cedar Valley to 6 miles south of Cashion to 5 miles southwest of Piedmont, moving east-southeast at 20 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Northwestern Oklahoma City, Edmond, Guthrie, Yukon, The Village, Piedmont, Crescent, Cashion, Cedar Valley, Cimarron City, Seward, Richland, and Navina. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

At 711 PM CDT, a severe thunderstorm was located over North English, or 15 miles northeast of Sigourney, moving southeast at 25 mph. THIS IS A DESTRUCTIVE STORM FOR Southeast Iowa and Northeast Keokuk Counties. HAZARD...Baseball size hail and 70 mph wind gusts. SOURCE...Trained weather spotters. IMPACT...People and animals outdoors will be severely injured. Expect shattered windows, extensive damage to roofs, siding, and vehicles. Locations impacted include... Wellman, North English, Keswick, South English, Parnell, Millersburg, Harper, Kinross, Keota, Webster, and Lake Belva Deer Park. Safety instructions: Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a sturdy building. To report severe weather contact your nearest law enforcement agency. They will send your report to the National Weather Service office in the Quad Cities.

At 806 AM EDT, severe thunderstorms were located along a line extending from Pendleton to Akron to Bennington, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Cheektowaga, West Seneca, Clarence, Batavia, Depew, Amherst, Lancaster, Medina, Albion, and Williamsville. This includes Interstate 90 between exits 47 and 52A. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

At 1023 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 5 inches of rain have fallen. While the heaviest rainfall has ended...any flooding impacts will continue as it will take some time for the water to run off. 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... Wickes, Grannis, Vandervoort, Mccauley, Hatton and Bogg Springs. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

TORDVN The National Weather Service in the Quad Cities has issued a * Tornado Warning for... Northern Cedar County in east central Iowa... Jones County in east central Iowa... Southeastern Linn County in east central Iowa... * Until 615 PM CDT. * At 518 PM CDT, severe thunderstorms capable of producing both tornadoes and extensive straight line wind damage were located along a line extending from near Buck Creek to near Matsell Bridge Natural Area to near Robins, moving southeast at 45 mph. HAZARD...Tornado and baseball size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. * These dangerous storms will be near... Anamosa, Marion, Monticello, Springville, Bertram, Martelle, Langworthy, Viola, Stone City, and Paralta around 525 PM CDT. Mount Vernon, Lisbon, Morley, Central Park, Camp Courageous, and Pictured Rocks Wildlife Area around 530 PM CDT. Olin, Center Junction, and Scotch Grove around 535 PM CDT. Other locations in the path of these tornadic storms include Mechanicsville, Onslow, Hale, Stanwood, Wyoming, Clarence, Oxford Junction, Oxford Mills and Massillon Park. Safety instructions: TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. Torrential rainfall is occurring with these storm…

SVRCTP The National Weather Service in State College PA has issued a * Severe Thunderstorm Warning for... North central Juniata County in central Pennsylvania... Central Perry County in south central Pennsylvania... * Until 115 PM EDT. * At 1228 PM EDT, severe thunderstorms were located along a line extending from Mexico to near Spruce Hill to Colonel Denning State Park, moving east northeast at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... New Bloomfield, Mcalisterville, Spruce Hill, Mexico, Loysville, Ickesburg, Walnut, Mifflintown, Port Royal, Thompsontown, Millerstown, and Mifflin. Safety instructions: Stay inside a well built structure and keep away from windows. Frequent cloud to ground lightning is occurring with these severe thunderstorms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Very heavy rainfall is occurring with these severe thunderstorms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

At 325 PM CDT, a severe thunderstorm was located over Powell, or near Rainsville, moving west at 10 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Emergency management. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Scottsboro, Fort Payne, Rainsville, Sylvania, Fyffe, Hollywood, Powell, Section, Dutton, and Pine Ridge. Safety instructions: For your protection move to an interior room on the lowest floor of a building. This storm has had a history of producing large hail in Rainsville, Section, and Dutton. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY TODAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (80% chance) overlap with low relative humidity and generate Red Flag conditions this afternoon through Saturday. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley. * TIMING...Until 11 PM PDT Saturday. * WINDS...Northwest 15 to 25 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 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.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY TODAY AND SATURDAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (80% chance) overlap with low relative humidity and generate Red Flag conditions this afternoon through Saturday. Poor to fair overnight RH recovery is anticipated Friday night. * AFFECTED AREA...Fire Weather Zones 701 Eastern Columbia River Gorge of Oregon and 703 Warm Springs Reservation. * TIMING...Until 11 PM PDT Saturday. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 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...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...Southeastern Elko County. * WHEN...Until 11 PM PDT Monday. * 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.

At 530 PM CDT, a severe squall line capable of producing both tornadoes and extensive straight line wind damage was located along a line extending from Langworthy to near Wapsipinicon State Park to near Bertram, moving southeast at 45 mph. This storm is likely producing 70 to 80 MPH winds as well. HAZARD...Tornado and baseball size hail. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... Mount Vernon, Lisbon, Olin, Morley, Center Junction, Central Park, Camp Courageous, and Scotch Grove around 535 PM CDT. Other locations in the path of these tornadic storms include Mechanicsville, Onslow, Hale, Stanwood, Wyoming, Clarence, Oxford Junction, Oxford Mills and Massillon Park. Safety instructions: TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

* WHAT...Dangerously hot conditions with multiple days of Major to Extreme Heat Risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially those with little overnight relief from the heat. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 112 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...Dangerously hot conditions. Afternoon temperatures 107 to 117. Major Heat Risk. * WHERE...Imperial County Southeast, Imperial County Southwest, Imperial County West, Imperial Valley, and Salton Sea. * 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...Dangerously hot conditions with high temperatures of 106 to 112 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.

* WHAT...Dangerously hot conditions with daily heat index values around 105 expected. * WHERE...Portions of southeast Kansas and central, southwest, and west central Missouri. * WHEN...From Sunday afternoon through Wednesday 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. Monitor the latest forecasts and warnings for updates.

SVRLBF The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... West central Cherry County in north central Nebraska... * Until 645 AM CDT. * At 603 AM CDT, a severe thunderstorm was located 13 miles southwest of Medicine Lake, or 35 miles southeast of Gordon, moving southeast at 15 mph. HAZARD...Ping pong ball size hail. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect damage to roofs, siding, windows, and vehicles. * Locations impacted include... Round Lake and Indian Hill. This includes Highway 61 between mile markers 195 and 196. Safety instructions: For your protection move to an interior room on the lowest floor of a building.

The heavy rain has ended, so the Flash Flood Warning will be allowed to expire. Please continue to heed remaining road closures.

At 920 PM CDT, a severe thunderstorm was located over Primrose, or 16 miles northwest of Fort Madison, moving south at 30 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Houghton and Mt Hamill. Safety instructions: A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

* AFFECTED AREA...Fire weather zones 417 through 433. * WIND...Saturday west to northwest winds from 15 to 25 mph with gusts up to 40 mph. Overnight, lighter variable winds of 5 to 10 mph. Sunday west to northwest winds from 15 to 25 mph with gusts up to 40 mph west of I-25, with winds turning southerly to easterly east of I-25. * HUMIDITY...Daytime minimum RH between 5 and 10 percent on Saturday, and between 8 and 12 percent on Sunday. Overnight recoveries of 20 to 40 percent along and west of Interstate 25 and 40 to 60 percent in Niobrara and Goshen Counties. * ADDITIONAL DETAILS...Isolated high-based showers will have the potential to produce gusty and erratic winds along with a few strikes of lightning without much, if any, rainfall during the afternoon and evening hours both Saturday and Sunday. * 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.

At 632 PM MST, An automated weather observing station 8 miles NNE of Safford reported a wind gust to 73 mph with this severe thunderstorm and the Safford Airport reported a wind gusts to 61 mph. Severe thunderstorms were located along a line from 22 miles southeast of Clifton to 11 miles north of Thatcher, moving southwest at 15 mph. HAZARD...70 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Safford, Thatcher, Solomon, San Jose, Safford Regional Airport, Roper Lake State Park, Pima, Duncan, Central, York, Fort Thomas, Franklin, Swift Trail Junction and Frye Mesa Dam. This includes the following highways... Route 191 between mile markers 94 and 153. Route 75 between mile markers 379 and 396. Route 70 between mile markers 303 and 385. Route 266 between mile markers 105 and 109. Safety instructions: Anyone outdoors should move to shelter inside a well-built structure and stay away from windows. These storms are capable of producing widespread damaging winds.

THE NATIONAL WEATHER SERVICE WILL ALLOW SEVERE THUNDERSTORM WATCH 541 TO EXPIRE AT 10 PM CDT THIS EVENING FOR THE FOLLOWING AREAS IN IOWA THIS ALLOWS TO EXPIRE 8 COUNTIES IN CENTRAL IOWA DALLAS JASPER POLK POWESHIEK IN SOUTH CENTRAL IOWA MADISON MAHASKA MARION WARREN THIS INCLUDES THE CITIES OF ADEL, CARLISLE, DES MOINES, EARLHAM, GRINNELL, INDIANOLA, KNOXVILLE, NEWTON, NORWALK, OSKALOOSA, PELLA, PERRY, WAUKEE, AND WINTERSET.

* WHAT...Dangerously hot conditions with multiple days of Major to Extreme Heat Risk. * WHERE...Indian Wells Valley, Mojave Desert, and Mojave Desert Slopes. * WHEN...Until 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, especially those with little overnight relief from the heat. * ADDITIONAL DETAILS...Dangerously hot conditions with high temperatures up to 112 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.

...BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY CONTINUE TODAY THROUGH THE CASCADE GAPS AND INTO THE COLUMBIA BASIN... .Breezy westerly winds through the Cascade gaps will likely (80% chance) overlap with low relative humidity and generate Red Flag conditions continue this afternoon and evening. * AFFECTED AREA...Fire Weather Zones 691 Lower Columbia Basin of Oregon and 691 Lower Columbia Basin of Washington. * TIMING...Until 11 PM PDT this evening. * WINDS...West 10 to 20 mph with gusts up to 30 mph. * RELATIVE HUMIDITY...As low as 15 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.

A dry cold front will push through the area Saturday, bringing breezy west to southwesterly winds. Winds will be strongest near the Cascades and Western Columbia Basin Saturday evening. Combined with low afternoon relative humidity values, poor to fair humidity recoveries Saturday morning, hot temperatures, and very dry fuels, critical fire weather conditions are expected. * Affected Area: Colville Reservation (Zone 702). * Winds: Southwest 10 to 20 mph with gusts up to 25 mph. * Relative Humidities: 10 to 22 percent. * Impacts: Rapid fire spread is possible with any new or ongoing fires. 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.

FFWBGM The National Weather Service in Binghamton has issued a * Flash Flood Warning for... Southwestern Delaware County in central New York... Northwestern Sullivan County in central New York... Northeastern Wayne County in northeastern Pennsylvania... * Until 600 PM EDT. * At 307 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. The expected rainfall rate is 1 to 2 inches in 1 hour. 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... Callicoon, Hancock, Peabrook, Stalker, Hankins, East Branch, Fishs Eddy, Equinunk, Harvard and Hortonville. Safety instructions: Be aware of your surroundings and do not drive on flooded roads.

At 356 PM EDT, local law enforcement reported thunderstorms producing heavy rain in northern Sullivan County around Hankins. The expected rainfall rate is 1 to 2 inches in an hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring. 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... Callicoon, Hancock, Peabrook, Stalker, Hankins, East Branch, Fishs Eddy, Equinunk, Harvard and Hortonville. Road washouts are being reported in the area. Heavy rainfall is expected to continue for at least the next hour. Safety instructions: Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks.

* AFFECTED AREA: In Central WY Fire Zones...280...283...285...288...289...300. In North Central WY Fire Zones...275...276...281...282...287. In Northwest WY Fire Zones...140...286. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. In Northwest WY...Yellowstone National Park. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * IMPACTS: Low Humidities...Hot Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * WIND: West 10 to 20 mph with gusts up to 35 mph. * HUMIDITY: As low as 7 percent. Relative humidity recovery will be poor on Saturday night. * TEMPERATURES: Highs in the 90s in the lower elevations. Highs in the 80s in the mountains. 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.

At 814 AM CDT, a severe thunderstorm was located over Antelope, or over Mission, moving east at 35 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Mission, Rosebud, Saint Francis, Okreek, Antelope, Hidden Timber, Littleburg, Sicangu Village, Lakeview, Fairgrounds Housing, Ring Thunder, Two Strike, Soldier Creek, Haystack Butte and Rosebud Reservation. Safety instructions: Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

At 1031 PM CDT, a severe thunderstorm was located over Kahoka, moving southeast at 30 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Keokuk, Kahoka, Warsaw, Wayland, Alexandria, Luray, Croton, St. Francisville, Winchester, Revere, Charleston, Gregory Landing, Clark County Fairgrounds, Chambersburg, Ashton, Peaksville, Medill, Argyle, St. Patrick, and Anson. Safety instructions: For your protection move to an interior room on the lowest floor of a sturdy building. This is a dangerous storm. Prepare immediately for large destructive hail capable of producing significant damage. People outside should move to a shelter, inside a strong building and away from windows. To report severe weather contact your nearest law enforcement agency. They will send your report to the National Weather Service office in the Quad Cities. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.