Detroit started today with blue skies, a comfortable 68°F, and the kind of morning that does not scream “heat emergency.” That changes fast. An Extreme Heat Watch is posted from Tuesday afternoon, June 30, through Thursday evening, July 2, with forecasters warning that overnight lows will linger in the mid-70s and offer almost no break from the heat. If you can, keep your schedule flexible and make water your constant companion during the peak afternoon hours.
When It Will Be Hottest
Today should top out near 92°F, then the real blast hits Tuesday, June 30, with a forecast high near 98°F and a heat index that could feel as hot as 111°F. Wednesday, July 1 may reach around 101°F, and Thursday, July 2 is expected to land near 100°F. Nights will not cool off much, with most low temperatures stuck in the mid-70s across the region.
According to the National Weather Service Detroit/Pontiac, the Extreme Heat Watch runs from Tuesday afternoon through Thursday evening and flags the potential for heat index readings above 105°F.
How To Stay Safe
Plan on drinking plenty of water, skipping or scaling back strenuous outdoor activity during the hottest midday stretch, and spending the worst of the heat in air-conditioned spaces when you can. The City of Detroit opens recreation centers and many library branches as cooling locations during heat events, so it is worth checking the city’s list before you head out, and you can call 2-1-1 for live assistance.
Do not leave children or pets in parked cars, even for a short errand, and check in with neighbors or relatives who do not have air conditioning to be sure they have a way to cool down. You can find local cooling-center details from the City of Detroit.
Local Impacts And Planning
Outdoor workers, street vendors, and event organizers should shift heavy tasks to the early morning or evening hours whenever possible and plan for extra water, shade, and frequent breaks during the day. The heat will make afternoon commutes feel even more exhausting and could complicate outdoor sports practices, games, and gatherings, organizers may want to move start times earlier or build in additional cooling breaks.
Storm chances go up late Friday, July 3 and into the holiday weekend, so the most intense heat is expected through Thursday, followed by a better chance of unsettled weather arriving by Friday.
