Forecasts

EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaCuster, SD; Fall River, SD Effective8/21/2026, 4:13:00 PM CDT Expires8/21/2026, 5:15:00 PM CDT Severe...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaCloud; Ottawa Effective8/21/2026, 4:03:00 PM CDT Expires8/21/2026, 4:30:00 PM CDT Special Weather Statement issued...

EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaMarshall, MN; Roseau, MN Effective8/21/2026, 3:57:00 PM CDT Expires8/21/2026, 5:00:00 PM CDT Severe Thunderstorm...

EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaColumbia, WI Effective8/21/2026, 4:00:00 PM CDT Expires8/21/2026, 10:00:00 PM CDT Severe Thunderstorm Watch issued...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaSouthern Foothills; Central Black Hills; Southern Black Hills; Custer Co Plains; Hermosa Foothills; Eastern...

EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDane, WI; Iowa, WI Effective8/21/2026, 3:54:00 PM CDT Expires8/21/2026, 5:00:00 PM CDT Severe Thunderstorm...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaMoore; Hutchinson; Potter; Carson Effective8/21/2026, 3:56:00 PM CDT Expires8/21/2026, 4:45:00 PM CDT Special Weather...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaSauk; Columbia Effective8/21/2026, 3:56:00 PM CDT Expires8/21/2026, 4:45:00 PM CDT Special Weather Statement issued...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaAtchison Effective8/21/2026, 3:50:00 PM CDT Expires8/21/2026, 4:15:00 PM CDT Special Weather Statement issued August...

EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaBrown; Jackson Effective8/21/2026, 3:50:00 PM CDT Expires8/21/2026, 4:15:00 PM CDT Special Weather Statement issued...