Severe Thunderstorms, Heavy Rainfall and Dangerous Heat

Severe thunderstorms are expected today and Friday from the upper Midwest, central Great Lakes into the Ohio and mid-Mississippi Valley's. In addition, heavy rainfall threat increases on Friday across the Ohio Valley. Meanwhile, early summer-like heat wave across portions of southern Texas with new daily records are forecast today and through the weekend; The heat spreads across the Gulf States. Read More >

Hazardous Weather Conditions

Last Update: 305 PM CDT Thu May 15 2025

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Milwaukee, WI Local Forecast Office

10NM NNE Milwaukee WI

Marine Zone Forecast

Through Early Evening

Southeast wind 5 to 10 knots rising to 10 to 20 knots late in the afternoon. Partly sunny with a 20 percent chance of thunderstorms. Patchy dense fog. Some thunderstorms may be severe with damaging winds and large hail. Waves around 1 foot building to 2 to 4 feet late in the afternoon.

Tonight

South wind 15 to 20 knots with gusts to around 25 knots becoming southwest 10 to 15 knots with gusts to around 20 knots late in the evening, then easing to 5 to 10 knots after midnight becoming south 10 to 15 knots early in the morning. Showers and thunderstorms in the evening. Waves 2 to 4 feet subsiding to 1 to 2 feet early in the morning.

Friday

South wind 10 to 20 knots rising to 15 to 25 knots with gusts to around 30 knots late in the morning, then becoming south 15 to 25 knots with gusts to around 35 knots in the afternoon. Slight chance of showers and thunderstorms in the afternoon. Waves 1 to 2 feet building to 4 to 6 feet.

Friday Night

Southwest wind 15 to 20 knots with gusts to around 30 knots becoming southwest 15 to 20 knots late in the evening, then becoming west 10 to 15 knots after midnight rising to 15 to 20 knots early in the morning. Rain showers likely and a chance of thunderstorms through around midnight. Chance of showers after midnight. Waves 4 to 6 feet subsiding to 1 to 3 feet.

Saturday

West wind 10 to 20 knots rising to 15 to 25 knots in the late morning and early afternoon, then becoming west 15 to 25 knots late in the afternoon. Slight chance of showers. Waves 2 to 4 feet.