Severe

Significant threat to life or property

Maine Severe Flash Flood Warning | Effective 06/21/2026 13:01

At 401 PM EDT, Doppler radar indicated thunderstorms have produced heavy rain across the warned area. Between 3 and 4 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. Subsequent storms could lead to further flooding. 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.

Colorado Severe Severe Thunderstorm Warning | Effective 06/21/2026 13:05

At 205 PM MDT, a severe thunderstorm was located 7 miles south of Elba, or 22 miles south of Akron, moving east at 25 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... Elba, Anton and Arickaree School. Seek shelter inside a well-built structure and stay away from windows. This storm is capable of producing damaging winds and large hail.

Nebraska Severe Severe Thunderstorm Warning | Effective 06/21/2026 13:08

At 208 PM MDT, a severe thunderstorm was located near Arthur, moving southeast at 25 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... Arthur and Haythorn Lake. This includes the following highways... Highway 61 between mile markers 112 and 125.

Colorado Severe Severe Thunderstorm Warning | Effective 06/21/2026 13:08

SVRGLD The National Weather Service in Goodland has issued a * Severe Thunderstorm Warning for... Northern Yuma County in northeastern Colorado... * Until 315 PM MDT. * At 208 PM MDT, a severe thunderstorm was located 7 miles east of Lone Star, or 18 miles north of Yuma, moving east at 25 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. * This severe thunderstorm will remain over mainly rural areas of

Illinois Severe Flash Flood Warning | Effective 06/21/2026 13:09

FFWILX The National Weather Service in Lincoln has issued a * Flash Flood Warning for... Southeastern Shelby County in central Illinois... Northwestern Effingham County in south central Illinois... * Until 700 PM CDT. * At 308 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Nebraska Severe Severe Thunderstorm Warning | Effective 06/21/2026 13:10

At 210 PM MDT, a severe thunderstorm was located 7 miles northeast of Imperial, moving southeast at 15 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. This severe thunderstorm will remain over mainly rural areas of northeastern Chase County. This includes Highway 61 between mile markers 46 and 48. For your protection move to an interior room on the lowest floor of a building.

Nebraska Severe Severe Thunderstorm Warning | Effective 06/21/2026 13:12

At 212 PM MDT, a severe thunderstorm was located near Imperial, moving southeast at 35 mph. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Imperial, Wauneta, Enders, Enders Reservoir State Recreation Area, Champion, Center Dam Campground, Wanamaker State Wildfire Management Area, Area A Campground, and Church Grove Campground.

Illinois Severe Severe Thunderstorm Warning | Effective 06/21/2026 13:14

SVRILX The National Weather Service in Lincoln has issued a * Severe Thunderstorm Warning for... Southwestern Jasper County in southeastern Illinois... Northwestern Richland County in southeastern Illinois... Clay County in south central Illinois... Southeastern Effingham County in south central Illinois... * Until 415 PM CDT. * At 314 PM CDT, a severe thunderstorm was located over Xenia, or 9 miles west of Flora, moving northeast at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated.

Nebraska Severe Severe Thunderstorm Warning | Effective 06/21/2026 12:45

At 145 PM MDT, a severe thunderstorm was located near Oshkosh, moving southeast at 35 mph. HAZARD...Two inch 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... Oshkosh, Lewellen, Ash Hollow State Historical Park, Bluewater Battlefield State Historical Park, and Windlass Hill.

Illinois Severe Severe Thunderstorm Warning | Effective 06/21/2026 12:47

SVRLSX The National Weather Service in St Louis has issued a * Severe Thunderstorm Warning for... Northern Fayette County in south central Illinois... * Until 330 PM CDT. * At 247 PM CDT, a severe thunderstorm was located over Vandalia, moving northeast at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Shafter, Vandalia, Brownstown, Avena, St. Elmo and Wrights Corner. This includes Interstate 70 in Illinois between exits 61 and 76.
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