Michigan Severe Thunderstorm Warning | Effective 05/18/2026 14:50

Headline: 
Severe Thunderstorm Warning issued May 18 at 5:50PM EDT until May 18 at 6:30PM EDT by NWS Detroit/Pontiac MI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 2:50pm
Expires: 
May 18, 2026 - 3:30pm
Description: 
At 550 PM EDT, severe thunderstorms were located along a line extending from Lexington to near Emmett to near Marine City, moving northeast at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... St. Clair, Lakeport, and Marysville around 555 PM EDT. Port Huron around 600 PM EDT. Other locations impacted by these severe thunderstorms include Anchorville, North Street, Adair, Lynn Township, Rattle Run, Goodells, Brockway, Smiths Creek, Fair Haven, and Wadhams.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Macomb, MI; St. Clair, MI
Forcast Office: 
NWS Detroit/Pontiac MI
Sender: 
w-nws.webmaster@noaa.gov