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

Hazardous Weather Conditions

Current conditions at

La Crosse - La Crosse Regional Airport (KLSE)

Lat: 43.88°NLon: 91.26°WElev: 653ft.

Fair

78°F

26°C

Humidity 74%
Wind Speed S 8 mph
Barometer 29.82 in (1008.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 31 Aug 8:53 am CDT
Extended Forecast for

Trempealeau WI

  • Today

    Today: A 20 percent chance of showers after 4pm. Partly sunny, with a high near 92. Heat index values as high as 98. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 68. Light west wind.

    Low: 68 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 85 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Southeast wind around 5 mph.

    High: 87 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers after 4pm. Partly sunny, with a high near 92. Heat index values as high as 98. Light and variable wind becoming west around 6 mph in the afternoon.
Tonight
A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 68. Light west wind.
Tuesday
Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 86. Light and variable wind. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Calm wind.
Thursday
A 30 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 87. Southeast wind around 5 mph.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 87. Southeast wind 3 to 6 mph.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66. Southeast wind 3 to 5 mph.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 84. South wind 3 to 8 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:
8:52 am CDT Aug 31, 2026
Forecast Valid:
9am CDT Aug 31, 2026-6pm CDT Sep 6, 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