Indiana, Michigan Severe Thunderstorm Warning | Effective 04/17/2026 21:45

Headline: 
Severe Thunderstorm Warning issued April 18 at 12:45AM EDT until April 18 at 1:30AM EDT by NWS Northern Indiana
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
April 17, 2026 - 9:45pm
Expires: 
April 17, 2026 - 10:30pm
Description: 
At 1245 AM EDT, severe thunderstorms were located along a line extending from near St. Joseph to 7 miles southeast of Culver, moving northeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... South Bend, Mishawaka, Niles, Benton Harbor, Plymouth, St. Joseph, Dowagiac, Bremen, Buchanan, Gulivoire Park, Granger, Benton Heights, Fair Plain, Osceola, Bridgman, Walkerton, North Liberty, New Carlisle, Bourbon, and Berrien Springs. This includes the following highways... Interstate 196 between mile markers 0 and 7. Interstate 80 in Indiana between mile markers 62 and 86. Interstate 94 in Michigan between mile markers 15 and 42.
Instruction: 
A Tornado Watch remains in effect until 300 AM EDT for north central and northwestern Indiana...and southwestern Michigan. Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Fulton, IN; Marshall, IN; St. Joseph, IN; Berrien, MI; Cass, MI
Forcast Office: 
NWS Northern Indiana
Sender: 
w-nws.webmaster@noaa.gov