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One more comfortable day, then heat and humidity surge back to Mid-Michigan

Cool nights and mild days will continue a bit longer, but we're diving back into Summer heat and humidity by the middle of the week.
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LANSING, Mich. — Following up on Monday's pleasant start to the work week, our weather will remain comfortable overnight. With high pressure centered just north of Lake Huron, mostly clear skies will continue with another round of unseasonably cool lows in the mid 50s. Keep the windows open for some great sleeping weather!

Regional Forecast
Regional Forecast, Tuesday

Tuesday gives us one more comfortable day with high pressure hanging on to control. Expect mostly sunny skies with continued low humidity and seasonably warm highs in the low 80s.

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Fox 47 Evening Forecast - 7/21/2025

A warm front lifts out of the central U.S. and across Michigan on Wednesday, ushering in our next wave of high heat and humidity. Our atmosphere will remain stable enough on Wednesday to keep showers and thunderstorms out of the picture for now, but that means no natural cooling from highs climbing to around 90 degrees.

Heat Index Forecast
Heat Index Forecast, Next 3 Days

Thursday trends even hotter and more humid with highs heading for the mid 90s. Add in the humidity and heat indices will likely climb to around 100 degrees. Showers and a few thunderstorms will be possible later in the evening, and that chance will continue on Friday and Saturday. Highs both days will gall back to the upper 80s, but humidity levels will continue to run high through the weekend.

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