Dangerous heat moves into Metro Detroit on Wednesday: What to expect

Heat indices over 100 degrees Wednesday

The Local 4Casters track the latest weather alerts in Metro Detroit and Southeast Michigan. Get the most updated information here: https://www.clickondetroit.com/weather/

DETROIT – An Excessive Heat Warning is in effect for Lenawee, Livingston, Macomb, Monroe, Oakland, Washtenaw, and Wayne counties from noon Wednesday to 8 a.m. Thursday.

A Heat Advisory is in effect for Genesee, Lapeer, Sanilac, and St. Clair counties from noon Wednesday to 8 a.m. Thursday.

Tuesday (June 14) night will be warm and comfortable with clearing skies. Now is the time to consider preparing for the high heat and humidity arriving tomorrow to keep you and your family and loved ones safe, cool and healthy.

Tuesday night becomes partly cloudy to mostly clear. It will be warm with overnight lows in the 60s the near 70°F.


Record-breaking heat will be here Wednesday, along with higher humidity. Their combination will create hazardous conditions under blazing sunshine Wednesday.

Mercury rises to the middle 90s.

The record high is 95°F, set back in 1988. The heat index will be over 100°F when you factor in the humidity. It is vital to remain cool, hydrated, and comfortable throughout the day and evening.

Remember to drink plenty of water, wear light and loose-fitting clothes and stay near or in air-conditioned areas. Continue to monitor your health regularly if you are working or playing outdoors. It always helps to have a family member or coworker nearby as a partner to keep cool. Last but not least, keep children and pets away from empty vehicles.

It is also important to be friendly and do the neighborly thing Wednesday night. It will be warm and muggy and tough on residents who do not have air conditioning or proper ventilation. Be sure to check on seniors especially. Overnight lows will be in the lower middle 70s, and it will feel like it’s near 80°F or more.


Thursday will be hot with increasing clouds. Highs will be near 90°F. Heat in the seas will be in the 90s. A cold front brings showers and thunderstorms that could be heavy late Thursday in the early Friday.


Friday becomes sunny again, and it will be warm and comfortable. Highs will be in the low 80s.

Weekend forecast

Saturday will be sunny and warm. Highs will be in the upper 70s. Perfect weather for any last-minute Father’s Day shopping.

Happy Fathers’ Day, and welcome to Juneteenth, Sunday! It will be mostly sunny and warm. Highs will be back in the 80s.

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