EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaBox Butte, NE; Dawes, NE; Morrill, NE Effective8/23/2026, 3:40:00 PM CDT Expires8/23/2026, 9:00:00 PM...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDawes, NE Effective8/23/2026, 3:25:00 PM CDT Expires8/23/2026, 4:15:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaPennington, SD Effective8/23/2026, 3:20:00 PM CDT Expires8/23/2026, 4:15:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDawes, NE Effective8/23/2026, 2:52:00 PM CDT Expires8/23/2026, 3:30:00 PM CDT Severe Thunderstorm Warning issued...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaNorthern Black Hills; Northern Foothills; Wyoming Black Hills; Northeastern Crook Effective8/23/2026, 2:49:00 PM CDT...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaDawes; North Sioux Effective8/23/2026, 2:38:00 PM CDT Expires8/23/2026, 3:30:00 PM CDT Special Weather Statement...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaLawrence, SD; Pennington, SD Effective8/23/2026, 2:36:00 PM CDT Expires8/23/2026, 3:30:00 PM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaNorthern Black Hills; Sturgis/Piedmont Foothills Effective8/23/2026, 2:20:00 PM CDT Expires8/23/2026, 2:45:00 PM CDT Special...
EventExtreme Heat Warning SeveritySevere UrgencyExpected CertaintyLikely AreaPalo Duro Canyon Effective8/23/2026, 1:18:00 PM CDT Expires8/23/2026, 8:00:00 PM CDT Extreme Heat Warning...
EventExtreme Heat Warning SeveritySevere UrgencyExpected CertaintyLikely AreaDonley; Collingsworth Effective8/23/2026, 1:18:00 PM CDT Expires8/23/2026, 8:00:00 PM CDT Extreme Heat Warning issued...