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...
Forecasts
SPC Day 1/2/3 outlooks, convective outlooks
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...
EventHeat Advisory SeverityModerate UrgencyExpected CertaintyLikely AreaOzark Effective8/18/2026, 4:09:00 PM CDT Expires8/19/2026, 4:15:00 PM CDT Heat Advisory issued August 18 at...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaWaushara, WI Effective8/18/2026, 3:55:00 PM CDT Expires8/18/2026, 5:00:00 PM CDT Severe Thunderstorm Warning issued...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaColumbia, WI; Sauk, WI Effective8/18/2026, 3:57:00 PM CDT Expires8/18/2026, 5:15:00 PM CDT Severe Thunderstorm...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaGreen Lake, WI; Marquette, WI Effective8/18/2026, 3:59:00 PM CDT Expires8/18/2026, 5:15:00 PM CDT Severe...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaDoor Effective8/18/2026, 3:50:00 PM CDT Expires8/18/2026, 4:15:00 PM CDT Special Weather Statement issued August...
EventSevere Thunderstorm Warning SeveritySevere UrgencyImmediate CertaintyObserved AreaJuneau, WI; Monroe, WI; Richland, WI; Vernon, WI Effective8/18/2026, 3:54:00 PM CDT Expires8/18/2026, 5:00:00...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaNorthern Oconto County; Southern Marinette County Effective8/18/2026, 3:34:00 PM CDT Expires8/18/2026, 4:00:00 PM CDT...
EventSpecial Weather Statement SeverityModerate UrgencyExpected CertaintyObserved AreaWood; Portage; Waushara Effective8/18/2026, 3:22:00 PM CDT Expires8/18/2026, 4:00:00 PM CDT Special Weather Statement...