Wisconsin Severe Severe Thunderstorm Warning | Effective 06/17/2026 18:17

Headline: 
Severe Thunderstorm Warning issued June 17 at 8:17PM CDT until June 17 at 8:45PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
June 17, 2026 - 6:17pm
Expires: 
June 17, 2026 - 6:45pm
Description: 
At 817 PM CDT, severe thunderstorms were located along a line extending from Waukesha to near Vernon to Mukwonago, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Waukesha, New Berlin, Muskego, Pewaukee, Mukwonago, Elm Grove, Wind Lake, Vernon, North Prairie, Big Bend, Brookfield, Waterford North, Eagle, Genesee Depot, and Genesee.
Instruction: 
A Tornado Watch remains in effect until 900 PM CDT for southeastern Wisconsin. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Waukesha, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI