< Wisconsin Severe Thunderstorm Warning - Severe | Effective 05/27/2026 17:42

Wisconsin Severe Thunderstorm Warning - Severe | Effective 05/27/2026 17:42

Headline: 
Severe Thunderstorm Warning issued May 27 at 7:42PM CDT until May 27 at 8:15PM CDT by NWS Milwaukee/Sullivan WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 27, 2026 - 5:42pm
Expires: 
May 27, 2026 - 6:15pm
Description: 
At 741 PM CDT, severe thunderstorms were located along a line extending from near Lake Delton to near Portage, moving south at 35 mph. HAZARD...Ping pong ball size hail and 60 mph wind gusts. SOURCE...Law enforcement. Tree damage has been reported with this thunderstorm. IMPACT...People and animals outdoors will be injured. Expect hail damage to roofs, siding, windows, and vehicles. Expect wind damage to roofs, siding, and trees. Locations impacted include... Baraboo, Portage, Lake Wisconsin, Poynette, Merrimac, Harmony Grove, Interstate 90/94 Interchange, Okee, and Devils Lake St Park.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Columbia, WI; Sauk, WI
Forcast Office: 
NWS Milwaukee/Sullivan WI