Alert archive / Michigan / Heat Advisories
Heat Advisories in Michigan, 2025
17 heat advisories in 2025. 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 2025. Tap one for its archive.
- Heat Advisories
- 17
- Busiest month
- July10 heat advisories
- Busiest day
- June 20, 20253 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 20, 1:45 PM EDT | Heat Advisory | APX | Alcona, Alpena, Antrim, Arenac, Benzie, Charlevoix and 17 more | 3 days |
| Jun 20, 3:18 PM EDT | Heat Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 4 days |
| Jun 20, 3:22 PM EDT | Heat Advisory | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 4 days |
| Jun 21, 4:02 AM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 23 hr |
| Jun 21, 10:08 AM EDT | Heat Advisory | MQT | Baraga, Dickinson, Gogebic, Houghton, Iron, Marquette and 2 more | 34 hr |
| Jun 26, 3:42 AM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 16 hr |
| Jun 27, 3:09 AM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 16 hr |
| Jul 22, 3:12 AM EDT | Heat Advisory | IWX | Berrien, Cass | 65 hr |
| Jul 23, 2:30 AM EDT | Heat Advisory | IWX | Branch, Hillsdale, Saint Joseph | 42 hr |
| Jul 23, 2:46 AM EDT | Heat Advisory | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 41 hr |
| Jul 23, 3:03 AM EDT | Heat Advisory | GRR | Allegan, Barry, Calhoun, Clinton, Eaton, Gratiot and 9 more | 40 hr |
| Jul 24, 2:42 AM EDT | Heat Advisory | APX | Arenac, Gladwin, Iosco | 16 hr |
| Jul 27, 1:44 AM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 19 hr |
| Jul 27, 2:24 PM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 31 hr |
| Jul 28, 2:10 AM EDT | Heat Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 19 hr |
| Jul 28, 3:02 AM EDT | Heat Advisory | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 18 hr |
| Jul 29, 12:27 AM EDT | Heat Advisory | IWX | Berrien, Branch, Cass, Hillsdale, Saint Joseph | 21 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
- Allegan County3
- Barry County3
- Calhoun County3
- Clinton County3
- Eaton County3
- Gratiot County3
- Ingham County3
- Ionia County3
- Isabella County3
- Jackson County3
- Kalamazoo County3
- Kent County3
- Montcalm County3
- Ottawa County3
- Van Buren County3
- Bay County3
- Genesee County3
- Huron County3
- Lapeer County3
- Lenawee County3
- Livingston County3
- Macomb County3
- Midland County3
- Monroe County3
- Oakland County3
- Saginaw County3
- Saint Clair County3
- Sanilac County3
- Shiawassee County3
- Tuscola County3
- Washtenaw County3
- Wayne County3
- Arenac County2
- Gladwin County2
- Iosco County2
36 more counties
- Clare County2
- Lake County2
- Mason County2
- Mecosta County2
- Muskegon County2
- Newaygo County2
- Oceana County2
- Osceola County2
- Alcona County1
- Alpena County1
- Antrim County1
- Benzie County1
- Charlevoix County1
- Cheboygan County1
- Crawford County1
- Emmet County1
- Grand Traverse County1
- Kalkaska County1
- Leelanau County1
- Manistee County1
- Missaukee County1
- Montmorency County1
- Ogemaw County1
- Oscoda County1
- Otsego County1
- Presque Isle County1
- Roscommon County1
- Wexford County1
- Baraga County1
- Dickinson County1
- Gogebic County1
- Houghton County1
- Iron County1
- Marquette County1
- Menominee County1
- Ontonagon County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.