Alert archive / Michigan / Severe Thunderstorm Warnings / 2026

Severe Thunderstorm Warnings in Michigan, August 2026

34 severe thunderstorm warnings in August 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 warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

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

Severe Thunderstorm Warnings
34
Busiest day
August 9, 202610 severe thunderstorm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

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
Aug 7, 5:25 PM EDTSevere Thunderstorm WarningMQTGogebic, Ontonagon45 min
Aug 7, 6:08 PM EDTSevere Thunderstorm WarningMQTBaraga, Marquette33 min
Aug 7, 6:13 PM EDTSevere Thunderstorm WarningMQTBaraga, Houghton, Ontonagon47 min
Aug 7, 6:49 PM EDTSevere Thunderstorm WarningMQTBaraga, Houghton, Iron56 min
Aug 7, 6:58 PM EDTSevere Thunderstorm WarningMQTBaraga, Houghton62 min
Aug 7, 7:23 PM EDTSevere Thunderstorm WarningMQTBaraga, Marquette44 min
Aug 9, 2:37 PM EDTSevere Thunderstorm WarningGRRAllegan, Ottawa83 min
Aug 9, 3:21 PM EDTSevere Thunderstorm WarningGRRVan Buren54 min
Aug 9, 3:24 PM EDTSevere Thunderstorm WarningIWXBerrien, Cass66 min
Aug 9, 3:55 PM EDTSevere Thunderstorm WarningGRRAllegan50 min
Aug 9, 4:02 PM EDTSevere Thunderstorm WarningGRRBarry, Kent42 min
Aug 9, 4:07 PM EDTSevere Thunderstorm WarningGRRVan Buren53 min
Aug 9, 4:22 PM EDTSevere Thunderstorm WarningIWXBerrien53 min
Aug 9, 4:34 PM EDTSevere Thunderstorm WarningGRRKalamazoo56 min
Aug 9, 4:40 PM EDTSevere Thunderstorm WarningIWXBerrien, Cass65 min
Aug 9, 5:34 PM EDTSevere Thunderstorm WarningIWXCass, Saint Joseph41 min
Aug 10, 2:16 AM EDTSevere Thunderstorm WarningIWXBerrien, Cass29 min
Aug 10, 2:26 AM EDTSevere Thunderstorm WarningGRRVan Buren64 min
Aug 10, 2:47 AM EDTSevere Thunderstorm WarningIWXBerrien28 min
Aug 10, 3:15 AM EDTSevere Thunderstorm WarningGRRAllegan30 min
Aug 10, 5:01 AM EDTSevere Thunderstorm WarningGRRJackson29 min
Aug 10, 5:09 AM EDTSevere Thunderstorm WarningDTXWashtenaw34 min
Aug 11, 2:46 AM EDTSevere Thunderstorm WarningIWXBerrien, Cass29 min
Aug 11, 4:17 AM EDTSevere Thunderstorm WarningDTXLenawee47 min
Aug 11, 6:08 AM EDTSevere Thunderstorm WarningIWXBerrien52 min
Aug 11, 6:40 AM EDTSevere Thunderstorm Warning Considerable damage threatIWXBerrien, Cass35 min
Aug 16, 5:28 PM EDTSevere Thunderstorm WarningDTXHuron35 min
Aug 18, 6:59 PM EDTSevere Thunderstorm WarningAPXMackinac31 min
Aug 18, 7:01 PM EDTSevere Thunderstorm WarningAPXEmmet44 min
Aug 18, 7:53 PM EDTSevere Thunderstorm WarningAPXBenzie37 min
Aug 18, 8:08 PM EDTSevere Thunderstorm WarningAPXGrand Traverse, Wexford50 min
Aug 18, 8:32 PM EDTSevere Thunderstorm WarningAPXOtsego37 min
Aug 18, 8:52 PM EDTSevere Thunderstorm WarningAPXKalkaska, Missaukee53 min
Aug 26, 3:26 PM EDTSevere Thunderstorm WarningAPXCheboygan, Emmet30 min

By county

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

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.