Alert archive / Michigan / Severe Thunderstorm Watches

Severe Thunderstorm Watches in Michigan, 2026

28 severe thunderstorm watches in 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm watches reaches back to 1997.

Severe Thunderstorm Watches by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Severe Thunderstorm Watches
28
Busiest month
July6 severe thunderstorm watches
Busiest day
May 18, 20262 severe thunderstorm watches

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Mar 6, 6:02 PM ESTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 5 more4 hr
Mar 10, 6:40 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 9 more7 hr
Mar 10, 9:58 PM EDTSevere Thunderstorm WatchSPCBay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more5 hr
Mar 15, 6:42 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 7 more6 hr
Mar 31, 10:25 AM EDTSevere Thunderstorm WatchSPCBerrien, Branch, Cass, Hillsdale, Saint Joseph6 hr
Apr 4, 2:48 PM EDTSevere Thunderstorm WatchSPCMonroe6 hr
Apr 13, 3:09 PM EDTSevere Thunderstorm WatchSPCBerrien, Branch, Cass, Hillsdale, Saint Joseph5 hr
Apr 13, 11:12 PM EDTSevere Thunderstorm WatchSPCArenac, Bay, Benzie, Clare, Crawford, Genesee and 26 more6 hr
Apr 15, 2:56 PM EDTSevere Thunderstorm WatchSPCLenawee, Monroe6 hr
May 18, 11:02 AM EDTSevere Thunderstorm WatchSPCBerrien, Branch, Cass, Hillsdale, Saint Joseph7 hr
May 18, 12:59 PM EDTSevere Thunderstorm WatchSPCAlcona, Allegan, Alpena, Antrim, Arenac, Barry and 55 more5 hr
May 19, 2:01 PM EDTSevere Thunderstorm WatchSPCBranch, Genesee, Hillsdale, Lapeer, Lenawee, Livingston and 7 more8 hr
Jun 10, 5:41 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 26 more4 hr
Jun 10, 7:40 PM EDTSevere Thunderstorm WatchSPCArenac, Bay, Genesee, Gladwin, Huron, Iosco and 15 more3 hr
Jun 16, 4:07 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 13 more7 hr
Jun 29, 5:02 PM EDTSevere Thunderstorm WatchSPCBaraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 2 more4 hr
Jun 30, 9:38 AM EDTSevere Thunderstorm WatchSPCMenominee3 hr
Jul 1, 10:11 AM EDTSevere Thunderstorm WatchSPCAlcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 21 more6 hr
Jul 3, 2:35 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 22 more7 hr
Jul 18, 1:20 PM EDTSevere Thunderstorm WatchSPCBranch, Calhoun, Eaton, Genesee, Hillsdale, Ingham and 14 more5 hr
Jul 20, 7:48 PM EDTSevere Thunderstorm WatchSPCAntrim, Benzie, Charlevoix, Cheboygan, Clare, Crawford and 14 more6 hr
Jul 27, 2:30 AM EDTSevere Thunderstorm WatchSPCGogebic, Ontonagon8 hr
Jul 27, 12:42 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 22 more7 hr
Aug 7, 4:50 PM EDTSevere Thunderstorm WatchSPCAlger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more5 hr
Aug 9, 1:03 PM EDTSevere Thunderstorm WatchSPCAllegan, Barry, Berrien, Branch, Calhoun, Cass and 12 more8 hr
Aug 10, 7:21 PM EDTSevere Thunderstorm WatchSPCBerrien, Branch, Cass, Hillsdale, Saint Joseph7 hr
Aug 11, 11:01 AM EDTSevere Thunderstorm WatchSPCBerrien, Branch, Cass, Hillsdale, Saint Joseph10 hr
Sep 3, 1:59 PM EDTSevere Thunderstorm WatchSPCBay, Calhoun, Clinton, Eaton, Genesee, Gratiot and 17 more3 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

41 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.