Wisconsin Severe Severe Thunderstorm Warning | Effective 08/09/2026 07:00

Headline: 
Severe Thunderstorm Warning issued August 9 at 9:00AM CDT until August 9 at 9:45AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 9, 2026 - 7:00am
Expires: 
August 9, 2026 - 7:45am
Description: 
SVRMKX The National Weather Service in Milwaukee/Sullivan has issued a * Severe Thunderstorm Warning for... Southwestern Green Lake County in south central Wisconsin... Central Columbia County in south central Wisconsin... Marquette County in south central Wisconsin... Northeastern Sauk County in south central Wisconsin... * Until 945 AM CDT. * At 859 AM CDT, a severe thunderstorm was located 8 miles northeast of Wisconsin Dells, moving southeast at 35 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. * Locations impacted include... Baraboo, Portage, Reedsburg, Wisconsin Dells, Lake Wisconsin, Lake Delton, Poynette, Pardeeville, Montello, West Baraboo, Westfield, Princeton, Lawrence, Packwaukee, Arlington, Wyocena, North Freedom, Mecan, Oxford, and Endeavor. Other landmarks included are the following Locations Mirror Lake State Park, Pine Island State Wildlife Area, Kilbourn Dam, Historic Indian Agency House, French Creek Wildlife Area, Alliant Energy Portage Power Plant, and Puckaway Lake.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning.
Area Description: 
Columbia, WI; Green Lake, WI; Marquette, WI; Sauk, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov