EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaCedar, IA; Clinton, IA; Des Moines, IA; Johnson, IA; Louisa, IA; Muscatine, IA; Scott,...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventFlash Flood Warning SeveritySevere UrgencyImmediate CertaintyLikely AreaBenton, IA; Iowa, IA; Johnson, IA; Linn, IA Effective8/12/2026, 6:19:00 AM CDT Expires8/12/2026, 11:15:00...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaForest; Florence; Northern Marinette County; Langlade; Menominee; Northern Oconto County; Door; Marathon; Shawano; Wood;...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaRock Island, IL; Cedar, IA; Clinton, IA; Muscatine, IA; Scott, IA Effective8/12/2026, 6:09:00 AM...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBenton, IA; Cedar, IA; Iowa, IA; Johnson, IA; Linn, IA Effective8/12/2026, 5:25:00 AM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHarrison, IA; Burt, NE; Cuming, NE; Dodge, NE; Thurston, NE; Washington, NE Effective8/12/2026, 5:14:00...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaBenton; Iowa Effective8/12/2026, 4:32:00 AM CDT Expires8/12/2026, 5:15:00 AM CDT Special Weather Statement issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBenton, IA; Iowa, IA; Johnson, IA; Linn, IA Effective8/12/2026, 4:37:00 AM CDT Expires8/12/2026, 5:30:00...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaCalhoun, IA; Hamilton, IA; Humboldt, IA; Pocahontas, IA; Sac, IA; Story, IA; Webster, IA;...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaPlymouth, IA; Woodbury, IA; Dakota, NE; Dixon, NE; Union, SD Effective8/12/2026, 4:16:00 AM CDT...