Michigan Severe Thunderstorm Warning | Effective 05/18/2026 12:29

Headline: 
Severe Thunderstorm Warning issued May 18 at 3:29PM EDT until May 18 at 4:00PM EDT by NWS Grand Rapids MI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 12:29pm
Expires: 
May 18, 2026 - 1:00pm
Description: 
At 329 PM EDT, severe thunderstorms were located along a line extending from near Edmore to near St. Johns to 9 miles northeast of Jonesville, moving northeast at 60 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Lansing, Jackson, Mason, Ithaca, East Lansing, Leslie, Elsie, Vandercook Lake, Alma, St. Louis, Williamston, Mount Pleasant, Shepherd, Breckenridge, Stockbridge and Grass Lake.
Instruction: 
This is a DANGEROUS SITUATION. These storms are producing widespread wind damage across West and Southwest Michigan. SEEK SHELTER NOW inside a sturdy structure and stay away from windows.
Area Description: 
Clinton, MI; Gratiot, MI; Ingham, MI; Isabella, MI; Jackson, MI
Forcast Office: 
NWS Grand Rapids MI