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.

Mostly Cloudy

57°F

14°C

Humidity 96%
Wind Speed Calm
Barometer 30.09 in (1018.4 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 28 Aug 4:53 am CDT
Extended Forecast for

Onalaska WI

  • Today

    Today: Patchy fog before 8am. Otherwise, sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind becoming south around 5 mph after midnight.

    Low: 63 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm. High near 79. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 89. South wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. South wind around 7 mph.

    Low: 71 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. South wind around 8 mph.

    High: 90 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, sunny, with a high near 85. Light and variable wind.
Tonight
Partly cloudy, with a low around 63. Calm wind becoming south around 5 mph after midnight.
Saturday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm. High near 79. South wind 6 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, with a low around 67. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 89. South wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. South wind around 7 mph.
Monday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. South wind around 8 mph.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. Light and variable wind.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 88. South wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WI
 43.89°N 91.2°W
Last Update:
2:16 am CDT Aug 28, 2026
Forecast Valid:
5am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

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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