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

71°F

22°C

Humidity 73%
Wind Speed S 7 mph
Barometer 29.97 in (1014.0 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 10:53 pm CDT
Extended Forecast for

Trempealeau WI

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly between 9am and 2pm. Mostly cloudy, with a high near 79. Southwest wind around 6 mph becoming west in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Light west wind.

    Low: 57 °F

    Partly Cloudy

  • 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 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly between 9am and 2pm. Mostly cloudy, with a high near 79. Southwest wind around 6 mph becoming west in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Partly cloudy, with a low around 57. Light west 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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trempealeau WI
 44.01°N 91.44°W
Last Update:
11:21 pm CDT Aug 17, 2026
Forecast Valid:
11pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation