Weather World
City of Onalaska, WIOnalaska, WI 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Onalaska, WI Weather Forecast
Onalaska, WI Weather Forecast Date: 1122 AM CDT Thu Oct 29 2026
The area/counties/county of: La Crosse, including the city of La Crosse.or toggle through each period.
This Afternoon... Sunny, cooler with highs in the lower 60s. Northwest winds 5 to 10 mph.
Tonight... Clear in the evening, then becoming partly cloudy. Colder with lows in the mid 30s. Northwest winds around 5 mph in the evening, becoming light and variable.
Friday... Mostly sunny. Highs in the upper 50s. Light winds.
Friday Night... Mostly cloudy. A chance of rain showers after midnight. Lows in the mid 40s. Light winds. Chance of rain 50%.
Saturday... Rain showers likely in the morning, then a chance of rain showers in the afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 70%.
Saturday Night... Mostly cloudy. Lows around 50. Highs in the upper 60s.
Sunday... Mostly cloudy. Lows around 50. Highs in the upper 60s.
Monday... Showers likely. Highs in the mid 60s. Chance of rain 70%.
Monday Night... Showers. Lows in the mid 50s. Chance of rain 80%.
Tuesday... Showers. Highs in the upper 60s. Chance of rain 80%.
Tuesday Night... Showers likely. Lows in the mid 50s. Chance of rain 70%.
POP = Probability of Precipitation
Onalaska Radar Loop
Use the map search tool if you want to place a location marker on the radar map...