Michigan Severe Thunderstorm Warning | Effective 05/04/2026 17:09

Headline: 
Severe Thunderstorm Warning issued May 4 at 8:09PM EDT until May 4 at 9:00PM EDT by NWS Detroit/Pontiac MI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 4, 2026 - 5:09pm
Expires: 
May 4, 2026 - 6:00pm
Description: 
At 808 PM EDT, a severe thunderstorm was located 7 miles west of Harsens Island, or 8 miles east of Mount Clemens, moving northeast at 45 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. This severe storm will be near... New Baltimore, Algonac, and Harsens Island around 815 PM EDT. Marine City around 820 PM EDT. Other locations impacted by this severe thunderstorm include Anchorville, Pearl Beach, and Fair Haven.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
St. Clair, MI
Forcast Office: 
NWS Detroit/Pontiac MI
Sender: 
w-nws.webmaster@noaa.gov