EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaIowa; Johnson; Cedar; Clinton; Muscatine; Scott; Whiteside; Rock Island; Henry; Bureau; Putnam Effective8/11/2026, 11:38:00...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaKeokuk; Washington; Louisa; Mercer Effective8/11/2026, 11:29:00 AM CDT Expires8/11/2026, 7:30:00 PM CDT Heat Advisory issued...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaWashington; Madison; Northern Crawford; Northern Franklin; Adair Effective8/11/2026, 11:32:00 AM CDT Expires8/12/2026, 1:00:00 AM CDT...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaDecatur; Norton Effective8/11/2026, 11:16:00 AM CDT Expires8/11/2026, 7:30:00 PM CDT Heat Advisory issued August 11...
EventExtreme Heat Warning SeveritySevere UrgencyExpected CertaintyLikely AreaRussell; Lincoln; Barton; Ellsworth; Saline; Rice; McPherson; Marion; Chase; Reno; Harvey; Butler; Greenwood; Woodson;...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaLaMoure, ND Effective8/11/2026, 10:34:00 AM CDT Expires8/11/2026, 11:30:00 AM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBarnes, ND; Ransom, ND Effective8/11/2026, 10:38:00 AM CDT Expires8/11/2026, 11:45:00 AM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaStutsman Effective8/11/2026, 9:59:00 AM CDT Expires8/11/2026, 10:30:00 AM CDT Special Weather Statement issued August...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaClay; Greene; Craighead; Poinsett; Mississippi; Cross; Crittenden; St. Francis; Lee; Phillips; Dunklin; Pemiscot; DeSoto; Tunica;...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaBarnes, ND Effective8/11/2026, 10:01:00 AM CDT Expires8/11/2026, 10:45:00 AM CDT Severe Thunderstorm Warning issued...