EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHarrison, IA; Pottawattamie, IA; Shelby, IA Effective9/15/2026, 12:54:00 AM CDT Expires9/15/2026, 2:00:00 AM CDT...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaHarrison, IA; Pottawattamie, IA; Douglas, NE; Washington, NE Effective9/15/2026, 12:38:00 AM CDT Expires9/15/2026, 1:15:00...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaHarrison; Pottawattamie; Dodge; Washington; Saunders; Douglas Effective9/15/2026, 12:28:00 AM CDT Expires9/15/2026, 1:00:00 AM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaPottawattamie, IA; Douglas, NE; Washington, NE Effective9/15/2026, 12:22:00 AM CDT Expires9/15/2026, 1:00:00 AM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaPottawattamie, IA Effective9/15/2026, 12:07:00 AM CDT Expires9/15/2026, 12:30:00 AM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDouglas, NE; Saunders, NE Effective9/15/2026, 12:01:00 AM CDT Expires9/15/2026, 12:30:00 AM CDT Severe Thunderstorm...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaClark; Codington; Hamlin; Deuel Effective9/14/2026, 11:55:00 PM CDT Expires9/15/2026, 5:00:00 AM CDT Special Weather...
EventDense Fog Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaLincoln; Pipestone; Kingsbury; Brookings; Miner; Lake; Moody Effective9/14/2026, 11:44:00 PM CDT Expires9/15/2026, 5:00:00 AM...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaAdair Effective9/14/2026, 11:35:00 PM CDT Expires9/15/2026, 12:30:00 PM CDT Heat Advisory issued September 14 at...
EventBeach Hazards Statement SeverityModerate UrgencyExpected CertaintyLikely AreaSheboygan; Ozaukee Effective9/14/2026, 11:25:00 PM CDT Expires9/15/2026, 7:30:00 AM CDT Beach Hazards Statement issued...