Excessive Heat in Michigan

Events

101

Deaths

3

Injuries

0

Damage

None recorded

• Excessive Heat in Michigan, July 17 to 22, 20113 deaths · 17 eventsA mid July heat wave helped cap off the warmest month on record at Detroit. Three direct deaths were reported due to the heat wave, as heat indices were above 100 degrees.
• Excessive Heat in Michigan, June 30, 201823 eventsThe month of June closed with one of the hottest days in recent memory. Highs were well into the 90s, including 99 at Alpena, and 98 at Traverse City and Gaylord.
• Excessive Heat in Michigan, March 8, 200017 eventsAn unusual late-winter warm spell began February 22, and continued through March 9. Normal high temperatures during this time are in the 35 to 40 degree range. However, during this 17-day stretch, Detroit failed to reach 50 degrees just once, and Flint only three times.
• Excessive Heat in Michigan, June 20 to 22, 202213 eventsA hot and humid airmass enveloping the region produced heat indices near or exceeding 100F over much of the west and portions of central Upper Mi from the 20th into 21st.
• Tornadoes and Excessive Heat in Michigan, June 30, 2026EF0 · 13 eventsAs a significant ridge was over the southeastern US, hot and unstable air was over Michigan's Upper Peninsula by the 30th.
• Excessive Heat in Michigan, June 30, 202613 eventsThe end of June marked the beginning of a prolonged period of extreme heat across much of southeast Michigan. This heat wave continued into early July. Most areas saw heat index values climb to around or above 105 with little to no relief during the overnight hours.
• Excessive Heat in Michigan, July 18, 20229 eventsA hot and humid airmass send heat indices soaring from 95 to 102 degrees across much of west and central Upper Michigan on the 18th.
• Excessive Heat and Heat in Michigan, September 3 to 4, 20237 eventsAn anomalously hot air mass being drawn into the region on southerly winds resulted in excessive heat indices exceeding 100F across portions of Upper Michigan on the 3rd and 4th.
• Excessive Heat in Michigan, June 30, 20185 eventsVery hot and humid weather occurred on June 30th in southwest lower Michigan. High temperatures reached the lower to middle 90's which in conjunction with dew point values reaching the middle 70's resulted in heat indices that reached or exceeded 105 degrees at several locations.

Excessive Heat everywhereEvery kind of event in Michigan

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.