EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCharles Mix, SD; Douglas, SD; Hutchinson, SD Effective8/17/2026, 11:54:00 PM CDT Expires8/18/2026, 12:45:00 AM...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBoone, NE Effective8/17/2026, 11:40:00 PM CDT Expires8/18/2026, 12:30:00 AM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCharles Mix, SD; Douglas, SD Effective8/17/2026, 11:40:00 PM CDT Expires8/18/2026, 12:30:00 AM CDT Severe...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaLoup; Garfield; Wheeler; Custer Effective8/17/2026, 11:43:00 PM CDT Expires8/18/2026, 12:15:00 AM CDT Special Weather...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaValley; Greeley Effective8/17/2026, 11:38:00 PM CDT Expires8/18/2026, 12:30:00 AM CDT Special Weather Statement issued...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaBox Butte; Scotts Bluff; Banner; South Sioux; Goshen County Effective8/17/2026, 11:30:00 PM CDT Expires8/18/2026,...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaHolt; Garfield; Wheeler Effective8/17/2026, 11:26:00 PM CDT Expires8/18/2026, 12:15:00 AM CDT Special Weather Statement...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCharles Mix, SD; Gregory, SD Effective8/17/2026, 11:07:00 PM CDT Expires8/17/2026, 11:45:00 PM CDT Severe...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaGreeley, NE Effective8/17/2026, 10:59:00 PM CDT Expires8/17/2026, 11:15:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBoone, NE Effective8/17/2026, 10:56:00 PM CDT Expires8/17/2026, 11:45:00 PM CDT Severe Thunderstorm Warning issued...