Wisconsin Severe Severe Thunderstorm Warning | Effective 09/03/2026 22:18

Headline: 
Severe Thunderstorm Warning issued September 4 at 12:18AM CDT until September 4 at 1:00AM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
September 3, 2026 - 10:18pm
Expires: 
September 3, 2026 - 11:00pm
Description: 
At 1218 AM CDT, a severe thunderstorm was located over Slinger, moving southeast at 25 mph. HAZARD...Golf ball size hail and 70 mph wind gusts. SOURCE...Radar indicated. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings. Locations impacted include... Northern Milwaukee, Waukesha, Wauwatosa, Menomonee Falls, Mequon, Hartford, Pewaukee, Brown Deer, Grafton, Cedarburg, Sussex, Hartland, Delafield, Jackson, Fox Point, Slinger, Bayside, Thiensville, Germantown, and Glendale.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Milwaukee, WI; Ozaukee, WI; Washington, WI; Waukesha, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI
Sender: 
w-nws.webmaster@noaa.gov