Milwaukee, WI December Weather: Rain Friday, Snow Risk Sunday Night

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Wisconsin wakes to low clouds and damp air as gray skies hang over Milwaukee, signaling a changing weather pattern heading into post-Christmas travel.

Early this morning, temperatures hover near 40 degrees, keeping conditions quiet but chilly. Roads remain mostly dry for now, though clouds hold firm and the air feels heavy along the lakeshore.

Rain becomes the first concern. Forecast data shows rain developing later today into Friday, with the highest likelihood Friday morning through early afternoon. Pavement will turn slick during peak travel hours, especially on I-94, I-43, and city arterials. Visibility may dip at times under steadier rain.

Temperatures rise into the mid-40s Friday, preventing icing for now. Still, drivers should plan extra time and expect slower movement during periods of rain.

The weekend brings little relief. Saturday stays mostly cloudy with highs in the low 40s, keeping roads damp but manageable. Winds shift gradually, setting the stage for colder air.

Attention then turns to Sunday night.

Latest forecasts show rain possibly mixing with snow late Sunday, as colder air pushes into southeast Wisconsin. Overnight lows drop into the mid-teens, and gusty winds create blustery conditions near Lake Michigan. While accumulation details remain uncertain, even light snow could cause slick spots and reduced visibility.

By Monday, winter fully reasserts itself. Highs struggle to reach the low 20s, and winds make it feel colder. Any leftover moisture could refreeze, raising the risk for black ice during early commutes.

Meteorologists continue tracking broader winter systems across the Upper Midwest and Northeast, reinforcing a colder trend to close December.

Plan ahead for weekend travel. Expect rain delays Friday, stay alert for a rain-snow change late Sunday, and prepare for true winter conditions returning early next week.