Michigan Severe Thunderstorm Warning | Effective 05/18/2026 12:27

Headline: 
Severe Thunderstorm Warning issued May 18 at 3:27PM EDT until May 18 at 4:30PM EDT by NWS Detroit/Pontiac MI
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 12:27pm
Expires: 
May 18, 2026 - 1:30pm
Description: 
SVRDTX The National Weather Service in Detroit/Pontiac has issued a * Severe Thunderstorm Warning for... Shiawassee County in southeastern Michigan... * Until 430 PM EDT. * At 327 PM EDT, severe thunderstorms were located along a line extending from 8 miles northwest of St. Johns to East Lansing to near Mason, moving northeast at 50 mph. HAZARD...70 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Severe thunderstorms will be near... Laingsburg around 335 PM EDT. Perry around 340 PM EDT. Owosso and Morrice around 345 PM EDT. Corunna and Henderson around 350 PM EDT. Bancroft around 355 PM EDT. Durand around 400 PM EDT. New Lothrop, Byron, and Lennon around 405 PM EDT. Other locations impacted by these severe thunderstorms include Juddville, Bennington, Shaftsburg, Carland, and Vernon.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Shiawassee, MI
Forcast Office: 
NWS Detroit/Pontiac MI