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

84°F

29°C

Humidity 40%
Wind Speed N 9 mph
Barometer 30.01 in (1015.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Aug 3:53 pm CDT
Extended Forecast for

Trempealeau WI

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 2am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 56. Light northwest wind.

    Low: 56 °F

    Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Light northwest wind.

    High: 78 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind around 6 mph.

    Low: 61 °F

    Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. West wind 5 to 8 mph. Chance of precipitation is 50%.

    High: 80 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. West wind 3 to 6 mph.

    Low: 60 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 2am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 79. West wind 3 to 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 56. Light northwest wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Light northwest wind.
Wednesday Night
Partly cloudy, with a low around 56. Calm wind.
Thursday
Sunny, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61. South wind around 6 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. West wind 5 to 8 mph. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 60. West wind 3 to 6 mph.
Saturday
A 20 percent chance of showers after 1pm. Sunny, with a high near 77. Light northwest wind increasing to 5 to 10 mph in the morning.
Saturday Night
Mostly clear, with a low around 56. North wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 77. Light north wind.
Sunday Night
Partly cloudy, with a low around 56. Calm wind.
Monday
Mostly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Trempealeau WI
 44.01°N 91.44°W
Last Update:
1:26 pm CDT Aug 17, 2026
Forecast Valid:
4pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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