Indiana, Michigan Severe Thunderstorm Warning | Effective 05/18/2026 11:40

Headline: 
Severe Thunderstorm Warning issued May 18 at 2:40PM EDT until May 18 at 3:00PM EDT by NWS Northern Indiana
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
May 18, 2026 - 11:40am
Expires: 
May 18, 2026 - 12:00pm
Description: 
At 239 PM EDT, severe thunderstorms were located along a line extending from near Vicksburg to near Colon to near Topeka, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Sturgis, Lagrange, Bronson, Centreville, Colon, Topeka, Nottawa, Fawn River, Leonidas, Wolcottville, Mendon, Burr Oak, Sherwood, Brushy Prairie, Big Long Lake, Howe, Plato, Matteson Lake, Stroh, and Brighton. This includes Interstate 80 in Indiana between mile markers 115 and 133.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Lagrange, IN; Branch, MI; St. Joseph, MI
Forcast Office: 
NWS Northern Indiana