EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBoone, IA; Dallas, IA; Jasper, IA; Marshall, IA; Polk, IA; Story, IA Effective8/13/2026, 6:27:00...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaBenton, IA; Cedar, IA; Des Moines, IA; Henry, IA; Iowa, IA; Jefferson, IA; Johnson,...
EventSevere Thunderstorm Watch SeveritySevere UrgencyFuture CertaintyPossible AreaBoone, IA; Clarke, IA; Dallas, IA; Grundy, IA; Hamilton, IA; Hardin, IA; Jasper, IA;...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBoone, IA; Carroll, IA; Dallas, IA; Greene, IA; Guthrie, IA; Polk, IA Effective8/13/2026, 5:51:00...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaGreene, IA Effective8/13/2026, 5:46:00 AM CDT Expires8/13/2026, 6:15:00 AM CDT Tornado Warning issued August 13...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaCarroll, IA Effective8/13/2026, 5:30:00 AM CDT Expires8/13/2026, 6:00:00 AM CDT Tornado Warning issued August 13...
EventFlash Flood Warning SeveritySevere UrgencyImmediate CertaintyLikely AreaMonona, IA; Thurston, NE Effective8/13/2026, 5:25:00 AM CDT Expires8/13/2026, 8:30:00 AM CDT Flash Flood...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaAudubon, IA; Carroll, IA; Crawford, IA; Greene, IA; Guthrie, IA Effective8/13/2026, 5:09:00 AM CDT...
EventDense Fog Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaDunn; Mercer; Oliver; Golden Valley; Billings; Stark; Slope; Hettinger; Grant; Bowman; Adams; Western Morton;...
EventDense Fog Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaMarquette; Green Lake; Fond Du Lac; Sauk; Columbia; Dodge; Washington; Iowa; Dane; Jefferson; Waukesha;...