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City of Onalaska, WIOnalaska, WI 7-Day Night Weather Forecast
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Onalaska, WI Weather Forecast
Onalaska, WI Weather Forecast Date: 1047 AM CDT Mon Sep 07 2026
The area/counties/county of: La Crosse, including the city of La Crosse.or toggle through each period.
This Afternoon... Mostly sunny. Highs in the lower 80s. South winds 5 to 10 mph.
Tonight... Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 20%.
Tuesday... Mostly cloudy with a chance of thunderstorms. Showers in the morning, then a chance of showers in the afternoon. Humid with highs in the lower 80s. South winds 5 to 10 mph. Chance of rain 90%.
Tuesday Night... Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 90%.
Wednesday... Mostly sunny. Highs in the lower 80s. West winds 10 to 15 mph.
Wednesday Night... Cooler. Mostly clear. Lows in the mid 50s.
Thursday... Clear. Highs in the upper 70s. Lows in the mid 50s.
Thursday Night... Clear. Highs in the upper 70s. Lows in the mid 50s.
Friday... Mostly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 30%.
Friday Night... Showers likely and a chance of thunderstorms. Lows in the lower 60s. Chance of rain 70%.
Saturday... Partly cloudy. Highs around 80. Lows in the mid 50s.
Saturday Night... Partly cloudy. Highs around 80. Lows in the mid 50s.
POP = Probability of Precipitation
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