Milwaukee/ Weather & Environment

Milwaukee Soaked as Lake Michigan Rages: Cool, Breezy Week Ahead

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Published on September 20, 2026
Milwaukee Soaked as Lake Michigan Rages: Cool, Breezy Week AheadSource: Google Street View

Off-and-on lighter rain is possible Sunday into Monday as cooler conditions develop.

The National Weather Service office in Milwaukee/Sullivan says a Flood Watch was in effect through 7 p.m. Saturday in the southern half of the area and through 1 p.m. Saturday farther north. Repeated downpours raised concerns about urban, creek and river flooding, particularly south of Interstate 94, where 1 to 3 inches of rain, with locally higher amounts, were possible Saturday.

Afternoon Winds Keep Things Blustery

A cooler, drier air mass moves in Sunday night and continues through Wednesday.

Lake Michigan Beaches Remain Dangerous

Lake Michigan beaches from Sheboygan to Kenosha counties face a high swimming risk through early Tuesday evening because of gusty onshore winds and high waves. Swimmers should stay out of the water and away from piers, breakwalls and other exposed shoreline areas, where strong onshore winds can make conditions especially hazardous.

Cooler Pattern Holds Into Midweek

Monday brings an off-and-on chance for lighter rain, while below-normal temperatures continue through midweek. Tuesday will remain below normal.

Drier Weather Arrives Later In The Week

Weather trends drier from Tuesday onward, with mainly dry weather late in the week.