Severe

Significant threat to life or property

Alaska Severe Red Flag Warning | Effective 06/21/2026 15:13

The National Weather Service in Fairbanks has issued a Red Flag Warning for lightning, which is in effect from 10 AM to 10 PM AKDT Monday. * AFFECTED AREA...Fortymile Country, Upper Tanana Valley, Delta Junction, Upper Chena River Valley, Tanana Flats, Eielson AFB and Salcha, Goldstream Valley and Nenana Hills, Chatanika River Valley, Two Rivers, Fairbanks Metro Area, Nenana, Northern Denali Borough and Eastern Delta Junction. * TIMING...Through 10 PM AKDT Sunday evening and between 10 AM

Alaska Severe Red Flag Warning | Effective 06/21/2026 15:13

* AFFECTED AREA...White Mountains and High Terrain South of the Yukon River and Central Interior. * TIMING...Until 10 PM AKDT this evening. * THUNDERSTORM COVERAGE INDEX...Scattered. * WINDS...Northwest 5 to 10 mph. Near thunderstorms, gusts could reach as high as 30 mph. * IMPACTS...Critical fire weather conditions are expected due to a scattered wet thunderstorms across the interior. These storms will bring frequent lightning strikes and gusty winds that are expected to cause new fire ignitions. We plan to

Alaska Severe Red Flag Warning | Effective 06/21/2026 15:13

The National Weather Service in Fairbanks has issued a Red Flag Warning for lightning, which is in effect from 10 AM to 10 PM AKDT Monday. * AFFECTED AREA...North Slopes of the Western Alaska Range and Upper Kuskokwim Valley. * TIMING...Through 10 PM AKDT Sunday evening and between 10 AM and 10 PM AKDT Monday. * THUNDERSTORM COVERAGE INDEX...Scattered. * WINDS...Northwest 5 to 10 mph. Near thunderstorms, gusts could reach as high as 30 mph. * IMPACTS...Critical fire weather conditions are expected due

Alaska Severe Red Flag Warning | Effective 06/21/2026 15:13

The National Weather Service in Fairbanks has issued a Red Flag Warning for lightning, which is in effect from 10 AM to 10 PM AKDT Monday. * AFFECTED AREA...North Slopes of the Western Alaska Range and Upper Kuskokwim Valley. * TIMING...Through 10 PM AKDT Sunday evening and between 10 AM and 10 PM AKDT Monday. * THUNDERSTORM COVERAGE INDEX...Scattered. * WINDS...Northwest 5 to 10 mph. Near thunderstorms, gusts could reach as high as 30 mph. * IMPACTS...Critical fire weather conditions are expected due

Alaska Severe Red Flag Warning | Effective 06/21/2026 15:13

* AFFECTED AREA...Middle Yukon Valley and Lower Yukon and Innoko Valleys. * TIMING...Until 10 PM AKDT this evening. * THUNDERSTORM COVERAGE INDEX...Scattered. * WINDS...Northwest 5 to 10 mph. Near thunderstorms, gusts could reach as high as 30 mph. * IMPACTS...Critical fire weather conditions are expected due to a scattered wet thunderstorms across the interior. These storms will bring frequent lightning strikes and gusty winds that are expected to cause new fire ignitions. We plan to

Indiana Severe Severe Thunderstorm Warning | Effective 06/21/2026 14:46

SVRIND The National Weather Service in Indianapolis has issued a * Severe Thunderstorm Warning for... Vigo County in west central Indiana... Sullivan County in southwestern Indiana... Clay County in west central Indiana... Southern Parke County in west central Indiana... Western Greene County in southwestern Indiana... Southern Vermillion County in west central Indiana... * Until 645 PM EDT. * At 546 PM EDT, severe thunderstorms were located along a line

Colorado Severe Severe Thunderstorm Warning | Effective 06/21/2026 14:46

At 346 PM MDT, a severe thunderstorm was located 17 miles south of Vona, or 17 miles south of Seibert, moving southeast at 25 mph. HAZARD...70 mph wind gusts and ping pong ball size hail. 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. This severe thunderstorm will remain over mainly rural areas of north

Illinois Severe Severe Thunderstorm Warning | Effective 06/21/2026 14:52

SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Southwestern Jasper County in southeastern Illinois... Northwestern Clay County in south central Illinois... Southern Effingham County in south central Illinois... * Until 545 PM CDT. * At 452 PM CDT, a severe thunderstorm was located over Edgewood, or 16 miles southwest of Effingham, moving east at 35 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated.

Illinois Severe Flash Flood Warning | Effective 06/21/2026 14:55

FFWILX The National Weather Service in Lincoln has issued a * Flash Flood Warning for... Southern Clark County in east central Illinois... Crawford County in east central Illinois... * Until 800 PM CDT. * At 455 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Illinois Severe Severe Thunderstorm Warning | Effective 06/21/2026 14:56

SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Northern Lawrence County in southeastern Illinois... Northeastern Richland County in southeastern Illinois... * Until 600 PM CDT. * At 455 PM CDT, severe thunderstorms were located along a line extending from near Ste. Marie to near Olney, moving east at 40 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.
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