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

80°F

27°C

Humidity 64%
Wind Speed SW 6 mph
Barometer 30.00 in (1014.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 7 Aug 8:53 pm CDT
Extended Forecast for

French Island WI

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 75. South wind 6 to 8 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 90. Heat index values as high as 95. Breezy, with a south wind 10 to 16 mph, with gusts as high as 24 mph.

    High: 90 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 10 to 13 mph, with gusts as high as 29 mph.

    Low: 74 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. South wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 3 to 6 mph.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 84. Southwest wind 3 to 5 mph.

    High: 84 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Partly cloudy, with a low around 64. Light southwest wind.

    Low: 64 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 75. South wind 6 to 8 mph.
Friday
Mostly cloudy, with a high near 90. Heat index values as high as 95. Breezy, with a south wind 10 to 16 mph, with gusts as high as 24 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. South wind 10 to 13 mph, with gusts as high as 29 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. South wind 8 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 3 to 6 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 84. Southwest wind 3 to 5 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64. Light southwest wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Southwest wind 3 to 6 mph.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 64. South wind 3 to 5 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 85. South wind 3 to 6 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 65. South wind 3 to 5 mph.
Thursday
A 20 percent chance of showers. Sunny, with a high near 86. South wind 5 to 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
French Island WI
 43.85°N 91.27°W
Last Update:
6:29 pm CDT Aug 7, 2025
Forecast Valid:
9pm CDT Aug 7, 2025-6pm CDT Aug 14, 2025
 
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