< Wisconsin Severe Thunderstorm Warning | Effective 05/18/2026 21:34

Wisconsin Severe Thunderstorm Warning | Effective 05/18/2026 21:34

Headline: 
Severe Thunderstorm Warning issued May 18 at 11:34PM CDT until May 19 at 12:30AM CDT by NWS Green Bay WI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 9:34pm
Expires: 
May 18, 2026 - 10:30pm
Description: 
SVRGRB The National Weather Service in Green Bay has issued a * Severe Thunderstorm Warning for... Vilas County in north central Wisconsin... Western Oneida County in north central Wisconsin... * Until 1230 AM CDT. * At 1134 PM CDT, a severe thunderstorm was located 10 miles west of Squirrel Lake, or 13 miles south of Turtle Flambeau Flowage, moving northeast at 60 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Lac Du Flambeau around 1140 PM CDT. Winchester around 1155 PM CDT. Other locations impacted by this severe thunderstorm include Mc Naughton, Sayner, Lower Tomahawk River Natural Area, Nixon Lake Natural Area, Harshaw, Hazelhurst, Upper Buckatabon Springs Natural Area, Woodruff, St Germain, and Tomahawk River Pines Natural Area.
Instruction: 
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: 
Oneida, WI; Vilas, WI
Forcast Office: 
NWS Green Bay WI