Milwaukee

Milwaukee Forecast: Sunny Start to a Week of Showers and Possible Thunderstorms, NWS Advises Caution

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Published on September 22, 2025
Milwaukee Forecast: Sunny Start to a Week of Showers and Possible Thunderstorms, NWS Advises CautionSource: Unsplash/ Yana Gorbunova

Milwaukee will start mostly sunny today with a high near 78°F. Clouds will increase later, bringing a chance of showers and thunderstorms this evening. Tonight, rain chances rise to 50% before 1 a.m., with light rainfall expected, though thunderstorms could bring heavier amounts.

On Tuesday in Milwaukee, there’s a 40% chance of showers, with thunderstorms possible after 1 p.m. The unsettled weather may continue through Thursday with scattered showers and storms. Winds will be light, shifting from south in the morning to north at night, sometimes reaching 10 mph. The high will be near 72°F and the low around 62°F.

By Friday, Milwaukee’s weather will improve with more sun and clear nights. Highs will be in the low to mid-70s, and lows in the upper 50s. Both Saturday and Sunday should be sunny, with highs near 75°F and lows around 58°F.

In terms of hazards, there's a cautionary tale woven through the week's weather narrative. Early this morning, the NWS issued a warning for areas of dense fog, particularly affecting Sheboygan, Washington, and Ozaukee counties. The Hazardous Weather Outlook underscores that "Areas of dense fog early this morning, particularly across Sheboygan, Washington, and Ozaukee counties" are expected to create potentially treacherous driving conditions. A vigilant eye is also advised for isolated stronger storms, which may be capable of bringing gusty winds and hail into the mix. While spotter activation is not anticipated to be needed, the advisory hints at the need to stay weather-aware.

Keep tabs on the latest weather developments by visiting the NWS Milwaukee website for real-time updates and detailed forecasts.