2:40 p.m. update
A Severe Thunderstorm Warning was issued for parts of Allegan, Barry, and Kent counties. This line of storms was causing 80 mph winds. The warning was set to expire at 3 p.m.
Severe Thunderstorm Warning including Kentwood MI, Forest Hills MI and Cutlerville MI until 3:00 PM EDT. This destructive storm will contain wind gusts to 80 MPH! pic.twitter.com/Ou34MUQ3Cx
— NWS Grand Rapids (@NWSGrandRapids) May 18, 2026
Meanwhile, all of Calhoun, Ionia, and Montcalm counties plus part of Branch County were put under a Severe Thunderstorm Warning until 4 p.m.
Severe Thunderstorm Warning including Waverly MI, Ionia MI and Charlotte MI until 4:00 PM EDT. This storm will contain wind gusts to 70 MPH! pic.twitter.com/uc2aJHC7AC
— NWS Grand Rapids (@NWSGrandRapids) May 18, 2026
2:20 p.m. update
A Severe Thunderstorm Warning was issued for all of St. Joseph County and part of Branch County. This warning is scheduled to end at 3 p.m.
Severe Thunderstorm Warning continues for Grand Rapids MI, Kalamazoo MI and Wyoming MI until 3:30 PM EDT. This storm will contain wind gusts to 70 MPH! pic.twitter.com/8pwm5jmdWN
— NWS Grand Rapids (@NWSGrandRapids) May 18, 2026
2:17 p.m. update
A Severe Thunderstorm Warning was issued for all of Barry, Kalamazoo, and Kent counties plus parts of Allegan, Calhoun, and Ottawa counties. The main threat of the storm is 70 mile per hour winds, pea-sized hail, and possible tornadoes.
Severe Thunderstorm Warning continues for Grand Rapids MI, Kalamazoo MI and Wyoming MI until 3:30 PM EDT. This storm will contain wind gusts to 70 MPH! pic.twitter.com/8pwm5jmdWN
— NWS Grand Rapids (@NWSGrandRapids) May 18, 2026
The warning is set to expire at 3:30 p.m.
Original story (1:27 p.m.)
The National Weather Service set a Severe Thunderstorm Watch for nearly every county in the lower peninsula, except for Oceana County.
A severe thunderstorm watch has been issued for parts of Michigan until 8 PM EDT pic.twitter.com/aS2vjOU9dZ
— NWS Grand Rapids (@NWSGrandRapids) May 18, 2026
A Severe Thunderstorm Warning was issued for Allegan, Berrien, Cass, and Van Buren counties. Those warnings are set to expire at 2 p.m. and 2:15 p.m.
Severe Thunderstorm Warning including Allegan MI, South Haven MI and Paw Paw MI until 2:15 PM EDT pic.twitter.com/GwVgEEzl38
— NWS Grand Rapids (@NWSGrandRapids) May 18, 2026
If you are in the path of this storm, you are encouraged to seek shelter in your basement or interior room with no windows.
READ MORE:
How severe thunderstorms are measured
Watches and Warnings: What's the difference?
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