Lake Geneva, WI Weather: Early Winter Mix Tonight, Breezy and Cold Start to the Week

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Winter Mix
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LAKE GENEVA, Wis. – Wet pavement gleams under streetlights this morning as a cold rain begins to mix with snow across southern Wisconsin. The National Weather Service in Milwaukee/Sullivan warns that a quick rain-to-snow changeover could bring slippery roads and slushy accumulations under an inch across Walworth, Jefferson, and Rock Counties through early Sunday.

The transition starts this afternoon and continues tonight as colder air pushes south. Gusty north winds up to 30 mph will add bite to the chill, creating patchy visibility and potential travel slowdowns along I-43 and Highway 12 between Lake Geneva, Elkhorn, and Whitewater. Though snow totals remain light, bridges and elevated roads may freeze first, making for tricky conditions for evening drivers and early-morning commuters.

According to forecasters, lingering flurries and spotty snow showers could persist into Sunday, followed by partial clearing and daytime highs only near 32°F. Monday stays brisk but drier, with sunshine returning and winds gradually easing. By Veterans Day, a brief warmup nudges highs toward the lower 40s—mild enough for outdoor ceremonies but still cold in the breeze.

Long-range models hint at another November cold snap later next week, with temperatures trending below average and the chance for another system capable of light snow. Residents should stay alert for slick surfaces, clear drains before refreeze, and keep travel flexible through the early week as the region edges toward a more active winter pattern.


Five-Day Forecast for Lake Geneva, WI:
Sat: 43/27 – Rain to snow mix; slushy spots, gusty north winds.
Sun: 32/21 – Breezy and cold; stray flurry early.
Mon: 35/22 – Mostly sunny; brisk north wind.
Tue (Veterans Day): 41/32 – Partly cloudy; milder afternoon.
Wed: 47/29 – Sunny and calm; early winter break.