EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDodge, WI; Fond du Lac, WI; Sheboygan, WI; Washington, WI Effective8/18/2026, 5:27:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaFond du Lac, WI Effective8/18/2026, 5:16:00 PM CDT Expires8/18/2026, 6:00:00 PM CDT Severe Thunderstorm...
EventFlood Warning SeveritySevere UrgencyExpected CertaintyLikely AreaGreeley, NE; Valley, NE Effective8/18/2026, 5:06:00 PM CDT Expires8/19/2026, 10:00:00 AM CDT Flood Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaColumbia, WI; Dane, WI; Sauk, WI Effective8/18/2026, 5:08:00 PM CDT Expires8/18/2026, 6:00:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaDodge, WI; Fond du Lac, WI Effective8/18/2026, 4:56:00 PM CDT Expires8/18/2026, 5:45:00 PM CDT...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaFond du Lac, WI; Sheboygan, WI Effective8/18/2026, 4:52:00 PM CDT Expires8/18/2026, 5:30:00 PM CDT...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaColumbia, WI; Sauk, WI Effective8/18/2026, 4:48:00 PM CDT Expires8/18/2026, 5:30:00 PM CDT Tornado Warning issued...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaNorthern Oconto County; Door; Southern Marinette County Effective8/18/2026, 4:28:00 PM CDT Expires8/18/2026, 5:15:00 PM...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaWaushara, WI Effective8/18/2026, 4:11:00 PM CDT Expires8/18/2026, 5:00:00 PM CDT Tornado Warning issued August 18...
EventTornado Warning SeverityExtreme UrgencyImmediate CertaintyObserved AreaGreen Lake, WI; Marquette, WI Effective8/18/2026, 4:12:00 PM CDT Expires8/18/2026, 5:00:00 PM CDT Tornado Warning...