Alert archive / Michigan / Heat Advisories
Heat Advisories in Michigan, 2026
20 heat advisories 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Heat Advisories
- 20
- Busiest month
- July9 heat advisories
- Busiest day
- July 13, 20263 heat advisories
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 2:01 PM EDT | Heat Advisory | DTX | Lenawee, Macomb, Monroe, Oakland, Washtenaw, Wayne | 30 hr |
| Jun 9, 2:08 PM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 30 hr |
| Jun 10, 2:39 AM EDT | Heat Advisory | GRR | Calhoun, Jackson, Kalamazoo, Van Buren | 17 hr |
| Jun 11, 1:49 AM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 16 hr |
| Jun 11, 3:03 AM EDT | Heat Advisory | DTX | Lenawee, Macomb, Monroe, Oakland, Washtenaw, Wayne | 12 hr |
| Jun 28, 1:37 PM EDT | Heat Advisory | MQT | Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more | 54 hr |
| Jun 29, 2:40 PM EDT | Heat Advisory | APX | Alcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 19 more | 3 days |
| Jul 2, 11:33 AM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 55 hr |
| Jul 2, 11:36 AM EDT | Heat Advisory | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 9 more | 31 hr |
| Jul 2, 8:03 PM EDT | Heat Advisory | DTX | Bay, Huron, Midland, Saginaw, Sanilac, Tuscola | 23 hr |
| Jul 11, 2:43 PM EDT | Heat Advisory | MQT | Baraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw and 2 more | 30 hr |
| Jul 12, 3:17 PM EDT | Heat Advisory | APX | Alcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 19 more | 53 hr |
| Jul 13, 10:35 AM EDT | Heat Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 57 hr |
| Jul 13, 12:54 PM EDT | Heat Advisory | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 55 hr |
| Jul 13, 12:57 PM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 31 hr |
| Jul 14, 12:45 PM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 31 hr |
| Aug 31, 1:00 PM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 4 days |
| Sep 2, 2:08 AM EDT | Heat Advisory | DTX | Lenawee, Livingston, Macomb, Monroe, Oakland, Washtenaw and 1 more | 18 hr |
| Sep 2, 2:17 AM EDT | Heat Advisory | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Ingham and 6 more | 18 hr |
| Sep 3, 1:41 AM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berrien County7
- Branch County7
- Cass County7
- Hillsdale County7
- Saint Joseph County7
- Lenawee County4
- Macomb County4
- Monroe County4
- Oakland County4
- Washtenaw County4
- Wayne County4
- Calhoun County4
- Jackson County4
- Kalamazoo County4
- Van Buren County4
- Allegan County3
- Barry County3
- Clinton County3
- Eaton County3
- Ingham County3
- Ionia County3
- Kent County3
- Ottawa County3
- Baraga County2
- Dickinson County2
- Gogebic County2
- Houghton County2
- Iron County2
- Marquette County2
- Ontonagon County2
- Alcona County2
- Alpena County2
- Antrim County2
- Arenac County2
- Benzie County2
- Charlevoix County2
- Cheboygan County2
- Chippewa County2
- Crawford County2
- Emmet County2
43 more counties
- Gladwin County2
- Grand Traverse County2
- Iosco County2
- Kalkaska County2
- Leelanau County2
- Mackinac County2
- Manistee County2
- Missaukee County2
- Montmorency County2
- Ogemaw County2
- Oscoda County2
- Otsego County2
- Presque Isle County2
- Roscommon County2
- Wexford County2
- Gratiot County2
- Isabella County2
- Montcalm County2
- Bay County2
- Huron County2
- Midland County2
- Saginaw County2
- Sanilac County2
- Tuscola County2
- Livingston County2
- Alger County1
- Delta County1
- Luce County1
- Menominee County1
- Schoolcraft County1
- Keweenaw County1
- Clare County1
- Lake County1
- Mason County1
- Mecosta County1
- Muskegon County1
- Newaygo County1
- Oceana County1
- Osceola County1
- Genesee County1
- Lapeer County1
- Saint Clair County1
- Shiawassee County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
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.