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

85°F

29°C

Humidity 59%
Wind Speed SW 7 mph
Barometer 29.86 in (1010.1 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 2 Sep 6:53 pm CDT
Extended Forecast for

Trempealeau WI

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Low around 68. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Showers

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming southeast around 5 mph.

    High: 88 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 67. Southeast wind 3 to 5 mph.

    Low: 67 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. South wind 3 to 6 mph.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 3 to 5 mph.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 67. Calm wind.
Thursday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the morning. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Low around 68. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 88. Heat index values as high as 96. Calm wind becoming southeast around 5 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. Calm wind.
Saturday
Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 67. Southeast wind 3 to 5 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 84. South wind 3 to 6 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 3 to 5 mph.
Labor Day
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. Southeast wind 3 to 7 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind around 8 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81. South wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 9 to 11 mph becoming west after midnight. Winds could gust as high as 21 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind 9 to 11 mph.
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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:
6:36 pm CDT Sep 2, 2026
Forecast Valid:
7pm CDT Sep 2, 2026-6pm CDT Sep 9, 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