Milwaukee/ Weather & Environment

Milwaukee Sizzles at 89 Before Storms Crash Back Thursday

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Published on September 02, 2026
Milwaukee Sizzles at 89 Before Storms Crash Back ThursdaySource: Google Street View

Milwaukee woke to clear skies and temperatures around 75 degrees Wednesday, but the calm start will give way to another hot, sticky afternoon. The high is expected to reach 89, with a heat index near 95 and a small chance of showers or thunderstorms after 2 p.m.

Afternoon Heat Arrives Before Storm Risk

The National Weather Service expects partly sunny skies and southwest winds of 5 to 10 mph Wednesday. Any storms that develop should be scattered, with a 20% chance of precipitation, so most of the day should remain dry for errands and outdoor plans.

Storm Chances Increase Wednesday Night

Showers and thunderstorms become more likely Wednesday night, especially after 10 p.m., with a 40% chance of rain and a low around 73. The forecast calls for mostly cloudy skies and light winds, with rainfall generally under a tenth of an inch.

Thursday stays warm near 84 degrees, but storm chances linger through much of the day. Thursday night brings the biggest near-term jump in rain potential, with a 70% chance of showers and thunderstorms and possible rainfall totals between a quarter-inch and half-inch.

Wetter Pattern Takes Shape Into Saturday

Friday looks stormy, with showers and thunderstorms likely before 1 p.m., a high near 83 and possible rainfall between three-quarters of an inch and 1 inch. Saturday morning storms are also likely before conditions gradually turn partly sunny, with a high near 80.

The latest outlook is a wetter update than the earlier Hoodline forecast, which had temperatures easing sooner and storm chances looking more scattered. No watches, warnings or advisories are in effect for Milwaukee County, but outdoor plans may need a backup option from late Wednesday through Saturday.