EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaBanner, NE; Cheyenne, NE; Kimball, NE; Morrill, NE Effective8/21/2026, 8:51:00 PM CDT Expires8/21/2026, 9:30:00 PM...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaScotts Bluff, NE; Sioux, NE; Goshen, WY Effective8/21/2026, 8:41:00 PM CDT Expires8/21/2026, 9:30:00 PM...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCheyenne, NE; Morrill, NE Effective8/21/2026, 8:34:00 PM CDT Expires8/21/2026, 9:15:00 PM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaSwisher; Hale Effective8/21/2026, 8:24:00 PM CDT Expires8/21/2026, 9:00:00 PM CDT Special Weather Statement issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBureau, IL; Henry, IL; Rock Island, IL; Whiteside, IL; Scott, IA Effective8/21/2026, 8:13:00 PM...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaSioux, NE; Goshen, WY Effective8/21/2026, 7:58:00 PM CDT Expires8/21/2026, 8:45:00 PM CDT Severe Thunderstorm...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBox Butte, NE; Morrill, NE; Scotts Bluff, NE Effective8/21/2026, 7:33:00 PM CDT Expires8/21/2026, 8:15:00...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaBriscoe; Floyd Effective8/21/2026, 7:19:00 PM CDT Expires8/21/2026, 7:45:00 PM CDT Special Weather Statement issued...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaBox Butte Effective8/21/2026, 7:15:00 PM CDT Expires8/21/2026, 8:00:00 PM CDT Special Weather Statement issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaWaushara, WI; Winnebago, WI Effective8/21/2026, 7:03:00 PM CDT Expires8/21/2026, 8:30:00 PM CDT Severe Thunderstorm...