EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaParmer; Castro; Swisher; Bailey; Lamb; Cochran; Yoakum Effective8/23/2026, 8:14:00 PM CDT Expires8/24/2026, 8:00:00 PM CDT...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaHemphill; Wheeler Effective8/23/2026, 8:07:00 PM CDT Expires8/23/2026, 8:30:00 PM CDT Special Weather Statement issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHarding, SD; Perkins, SD Effective8/23/2026, 8:01:00 PM CDT Expires8/23/2026, 8:45:00 PM CDT Severe Thunderstorm...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDunn, ND; McLean, ND Effective8/23/2026, 8:02:00 PM CDT Expires8/23/2026, 9:00:00 PM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaDunn; Western McLean Effective8/23/2026, 7:54:00 PM CDT Expires8/23/2026, 8:30:00 PM CDT Special Weather Statement...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHarding, SD; Perkins, SD Effective8/23/2026, 7:39:00 PM CDT Expires8/23/2026, 8:45:00 PM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaBowman Effective8/23/2026, 7:24:00 PM CDT Expires8/23/2026, 8:00:00 PM CDT Special Weather Statement issued August...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHarding, SD; Perkins, SD Effective8/23/2026, 7:00:00 PM CDT Expires8/23/2026, 7:45:00 PM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaBennett; Southern Oglala Lakota Effective8/23/2026, 6:40:00 PM CDT Expires8/23/2026, 7:45:00 PM CDT Special Weather...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaButte Effective8/23/2026, 6:41:00 PM CDT Expires8/23/2026, 7:30:00 PM CDT Special Weather Statement issued August...