Severe · Severe Thunderstorm WarningThis alert has expired. It is kept for reference.
Severe Thunderstorm Warning issued September 4 at 2:19AM CDT until September 4
Affecting Calumet, WI; Manitowoc, WI
In effect until: Sep 4, 2026, 8:00 AM
Calumet, WI; Manitowoc, WI
Confirmed across 2 counties in WI; expires 8:00 AM.
Seek shelter inside a well-built structure and stay away from windows. These storms are capable of producing damaging winds and large hail.
Read the original bulletin (official text)
At 219 AM CDT, severe thunderstorms were located along a line from near Northern Lake Winnebago to 14 miles south of Oshkosh, or along a line from 8 miles northeast of Oshkosh to 14 miles south of Oshkosh, moving southeast at 30 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. This severe thunderstorm will be near... Central Lake Winnebago and Northern Lake Winnebago around 220 AM CDT. High Cliff State Park around 225 AM CDT. Chilton around 245 AM CDT. St Anna around 255 AM CDT. Other locations impacted by the severe thunderstorm include Harrison, Stockbridge, Quinney, Brothertown, Kloten, Jericho, Brant, Charlesburg, Hayton and New Holstein.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™