Severe

Significant threat to life or property

Colorado, Kansas Severe Severe Thunderstorm Warning | Effective 06/20/2026 17:02

At 601 PM MDT, severe thunderstorms were located along a line extending from 6 miles north of Burlington to 10 miles southwest of Kanorado to 12 miles southeast of Bethune to 9 miles north of Cheyenne Wells, moving east at 40 mph. Several other strong storms are developing ahead of this line, along the Sherman and Wallace county line. These storms are also capable of producing 70 mph wind gusts and hail to the size of ping pong balls. HAZARD...70 mph wind gusts and ping pong ball size hail. SOURCE...Radar indicated.

Kansas Severe Flash Flood Warning | Effective 06/20/2026 17:06

At 706 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2.5 and 5.5 inches of rain have fallen. Flooding impacts will continue, but no additional rainfall is expected. 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.

Illinois Severe Flood Warning | Effective 06/20/2026 17:07

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Marshall and Putnam Counties. Illinois River at Beardstown affecting Brown, Schuyler, Morgan and Cass Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. ...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. .The following forecasts are based on observed precipitation, soil

Illinois Severe Flood Warning | Effective 06/20/2026 17:07

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Marshall and Putnam Counties. Illinois River at Beardstown affecting Brown, Schuyler, Morgan and Cass Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. ...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. .The following forecasts are based on observed precipitation, soil

Illinois Severe Flood Warning | Effective 06/20/2026 17:07

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Marshall and Putnam Counties. Illinois River at Beardstown affecting Brown, Schuyler, Morgan and Cass Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. ...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. .The following forecasts are based on observed precipitation, soil

Illinois Severe Flood Warning | Effective 06/20/2026 17:07

...The Flood Warning continues for the following rivers in Illinois... Illinois River at Henry affecting Marshall and Putnam Counties. Illinois River at Beardstown affecting Brown, Schuyler, Morgan and Cass Counties. Illinois River near Havana affecting Fulton, Mason and Cass Counties. ...The Flood Warning is extended for the following rivers in Illinois... Illinois River at Peoria affecting Woodford, Peoria and Tazewell Counties. .The following forecasts are based on observed precipitation, soil

Nebraska Severe Severe Thunderstorm Warning | Effective 06/20/2026 17:09

SVRLBF The National Weather Service in North Platte has issued a * Severe Thunderstorm Warning for... Northwestern Grant County in west central Nebraska... Northeastern Garden County in the Panhandle of Nebraska... Southeastern Sheridan County in the Panhandle of Nebraska... * Until 700 PM MDT. * At 609 PM MDT, a severe thunderstorm was located 9 miles southwest of Ellsworth, or 24 miles east of Alliance, moving east at 40 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated.

Colorado Severe Severe Thunderstorm Warning | Effective 06/20/2026 17:09

SVRPUB The National Weather Service in Pueblo has issued a * Severe Thunderstorm Warning for... Southeastern Prowers County in southeastern Colorado... Northeastern Baca County in southeastern Colorado... * Until 700 PM MDT. * At 609 PM MDT, a severe thunderstorm was located 7 miles northeast of Two Buttes, or 17 miles northwest of The Saunders Elevator, moving northeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage

Nebraska, Wyoming Severe Severe Thunderstorm Warning | Effective 06/20/2026 17:10

SVRCYS The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Sioux County in the Panhandle of Nebraska... Eastern Niobrara County in east central Wyoming... Northern Goshen County in southeastern Wyoming... East central Platte County in southeastern Wyoming... * Until 700 PM MDT. * At 610 PM MDT, severe thunderstorms were located along a line extending from 6 miles south of Morrisey to near Van Tassell to 6 miles southeast of Grayrocks Reservoir, moving east at 40 mph.

Wyoming Severe Severe Thunderstorm Warning | Effective 06/20/2026 17:12

SVRUNR The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... Northern Campbell County in northeastern Wyoming... Southwestern Crook County in northeastern Wyoming... Northwestern Weston County in northeastern Wyoming... * Until 715 PM MDT. * At 612 PM MDT, severe thunderstorms were located along a line from 14 miles southwest of Spotted Horse to 11 miles southwest of Moorcroft, or along a line from 39 miles northwest of Gillette to
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