National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

La Crosse - La Crosse Regional Airport (KLSE)

Lat: 43.88°NLon: 91.26°WElev: 653ft.

Fair

74°F

23°C

Humidity 79%
Wind Speed SW 10 mph
Barometer 29.96 in (1013.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 8 Aug 2:53 am CDT
Extended Forecast for

Onalaska WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 70. Southeast wind around 7 mph.

    Low: 70 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91. Heat index values as high as 99. South wind 6 to 13 mph, with gusts as high as 21 mph.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 76. South wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 86. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 86 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Mostly sunny, with a high near 85. Light west wind.

    High: 85 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 70. Southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 91. Heat index values as high as 99. South wind 6 to 13 mph, with gusts as high as 21 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 76. South wind 8 to 10 mph, with gusts as high as 21 mph.
Saturday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 86. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Light southwest wind. Chance of precipitation is 40%.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 85. Light west wind.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65. Calm wind.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Light south wind.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light south wind.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southwest wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WI
 43.89°N 91.2°W
Last Update:
2:59 am CDT Aug 8, 2025
Forecast Valid:
3am CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation