Alert archive / Michigan / Severe Thunderstorm Warnings / 2026

Severe Thunderstorm Warnings in Michigan, May 2026

66 severe thunderstorm warnings in May 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 May 2026. Tap one for its archive.

Severe Thunderstorm Warnings: 66
Busiest day: May 18, 202640 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.

Issued	Product	Office	Counties	Lasted
May 4, 6:53 PM EDT	Severe Thunderstorm Warning	IWX	Berrien	23 min
May 4, 7:25 PM EDT	Severe Thunderstorm Warning	IWX	Berrien, Cass	10 min
May 4, 7:48 PM EDT	Severe Thunderstorm Warning	DTX	Macomb, Wayne	26 min
May 4, 7:57 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	45 min
May 4, 8:49 PM EDT	Severe Thunderstorm Warning	IWX	Berrien	41 min
May 9, 2:03 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	41 min
May 16, 4:24 AM EDT	Severe Thunderstorm Warning	GRR	Muskegon, Ottawa	24 min
May 16, 5:23 AM EDT	Severe Thunderstorm Warning	GRR	Clinton, Gratiot, Ionia, Montcalm	30 min
May 17, 4:26 PM EDT	Severe Thunderstorm Warning	DTX	Midland	64 min
May 17, 4:56 PM EDT	Severe Thunderstorm Warning	DTX	Bay, Midland, Saginaw	53 min
May 17, 5:01 PM EDT	Severe Thunderstorm Warning Destructive damage threat	DTX	Bay, Saginaw	48 min
May 17, 5:51 PM EDT	Severe Thunderstorm Warning	DTX	Huron, Tuscola	54 min
May 17, 6:17 PM EDT	Severe Thunderstorm Warning	APX	Benzie, Manistee	58 min
May 17, 6:17 PM EDT	Severe Thunderstorm Warning	DTX	Huron	58 min
May 17, 6:36 PM EDT	Severe Thunderstorm Warning	DTX	Huron, Sanilac	54 min
May 17, 7:11 PM EDT	Severe Thunderstorm Warning	APX	Benzie, Grand Traverse, Manistee, Wexford	49 min
May 18, 3:55 AM EDT	Severe Thunderstorm Warning	MQT	Baraga, Iron	35 min
May 18, 4:17 AM EDT	Severe Thunderstorm Warning	MQT	Baraga, Marquette	29 min
May 18, 12:37 PM EDT	Severe Thunderstorm Warning Considerable damage threat	IWX	Berrien	53 min
May 18, 1:15 PM EDT	Severe Thunderstorm Warning	IWX	Berrien, Cass	45 min
May 18, 1:20 PM EDT	Severe Thunderstorm Warning	GRR	Allegan, Van Buren	55 min
May 18, 1:44 PM EDT	Severe Thunderstorm Warning	IWX	Cass, Saint Joseph	46 min
May 18, 1:56 PM EDT	Severe Thunderstorm Warning	APX	Antrim, Charlevoix, Otsego	49 min
May 18, 1:58 PM EDT	Severe Thunderstorm Warning	GRR	Allegan, Barry, Calhoun, Kalamazoo, Kent, Ottawa	79 min
May 18, 2:00 PM EDT	Severe Thunderstorm Warning	APX	Antrim, Grand Traverse, Kalkaska	45 min
May 18, 2:14 PM EDT	Severe Thunderstorm Warning	IWX	Branch, Saint Joseph	46 min
May 18, 2:20 PM EDT	Severe Thunderstorm Warning	APX	Crawford, Otsego	55 min
May 18, 2:24 PM EDT	Severe Thunderstorm Warning Destructive damage threat	GRR	Allegan, Barry, Kent	36 min
May 18, 2:25 PM EDT	Severe Thunderstorm Warning	APX	Cheboygan, Presque Isle	51 min
May 18, 2:34 PM EDT	Severe Thunderstorm Warning Considerable damage threat	GRR	Calhoun, Eaton, Ionia, Montcalm	70 min
May 18, 2:42 PM EDT	Severe Thunderstorm Warning	DTX	Washtenaw, Wayne	63 min
May 18, 2:49 PM EDT	Severe Thunderstorm Warning	IWX	Branch	41 min
May 18, 2:59 PM EDT	Severe Thunderstorm Warning	APX	Montmorency	25 min
May 18, 2:59 PM EDT	Severe Thunderstorm Warning Destructive damage threat	GRR	Clinton, Eaton, Ingham, Ionia	46 min
May 18, 3:07 PM EDT	Severe Thunderstorm Warning Considerable damage threat	GRR	Clinton, Gratiot, Ingham, Isabella, Jackson	53 min
May 18, 3:17 PM EDT	Severe Thunderstorm Warning	IWX	Branch, Hillsdale	43 min
May 18, 3:25 PM EDT	Severe Thunderstorm Warning	DTX	Lenawee	80 min
May 18, 3:27 PM EDT	Severe Thunderstorm Warning Considerable damage threat	DTX	Shiawassee	63 min
May 18, 3:33 PM EDT	Severe Thunderstorm Warning Considerable damage threat	DTX	Bay, Midland, Saginaw	57 min
May 18, 3:36 PM EDT	Severe Thunderstorm Warning	DTX	Macomb	34 min
May 18, 3:42 PM EDT	Severe Thunderstorm Warning	DTX	Livingston	78 min
May 18, 3:48 PM EDT	Severe Thunderstorm Warning	APX	Alpena	27 min
May 18, 3:53 PM EDT	Severe Thunderstorm Warning Considerable damage threat	DTX	Genesee	67 min
May 18, 3:53 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	34 min
May 18, 3:55 PM EDT	Severe Thunderstorm Warning	GRR	Ingham, Jackson	35 min
May 18, 3:56 PM EDT	Severe Thunderstorm Warning	IWX	Hillsdale	22 min
May 18, 4:00 PM EDT	Severe Thunderstorm Warning	DTX	Monroe	75 min
May 18, 4:00 PM EDT	Severe Thunderstorm Warning	GRR	Clare, Isabella	30 min
May 18, 4:05 PM EDT	Severe Thunderstorm Warning	DTX	Washtenaw	60 min
May 18, 4:07 PM EDT	Severe Thunderstorm Warning Considerable damage threat	DTX	Tuscola	68 min
May 18, 4:18 PM EDT	Severe Thunderstorm Warning	DTX	Oakland, Wayne	72 min
May 18, 4:24 PM EDT	Severe Thunderstorm Warning Considerable damage threat	DTX	Lapeer	66 min
May 18, 4:43 PM EDT	Severe Thunderstorm Warning	DTX	Huron	62 min
May 18, 4:54 PM EDT	Severe Thunderstorm Warning	DTX	Sanilac	81 min
May 18, 5:00 PM EDT	Severe Thunderstorm Warning	DTX	Macomb, Saint Clair	75 min
May 18, 5:46 PM EDT	Severe Thunderstorm Warning	APX	Alcona	13 min
May 19, 2:25 PM EDT	Severe Thunderstorm Warning	DTX	Livingston, Oakland	65 min
May 19, 2:46 PM EDT	Severe Thunderstorm Warning	DTX	Livingston, Washtenaw	59 min
May 19, 2:57 PM EDT	Severe Thunderstorm Warning	DTX	Macomb	63 min
May 19, 3:14 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	76 min
May 19, 3:23 PM EDT	Severe Thunderstorm Warning	DTX	Washtenaw	59 min
May 19, 3:47 PM EDT	Severe Thunderstorm Warning	DTX	Oakland	58 min
May 19, 3:56 PM EDT	Severe Thunderstorm Warning	DTX	Wayne	64 min
May 19, 4:18 PM EDT	Severe Thunderstorm Warning	DTX	Macomb	43 min
May 19, 4:35 PM EDT	Severe Thunderstorm Warning	DTX	Saint Clair	44 min
May 19, 4:52 PM EDT	Severe Thunderstorm Warning	DTX	Monroe, Wayne	53 min

By county

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

16 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2025

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.