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 57%
Wind Speed Calm
Barometer 30.09 in (1018.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Aug 10:53 am CDT
Extended Forecast for

French Island WI

  • Today

    Today: Mostly sunny, with a high near 82. South wind 3 to 8 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 65. South wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. South wind 6 to 9 mph becoming northwest in the afternoon.

    High: 82 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Northwest wind 3 to 7 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. Light north wind.

    High: 78 °F

    Sunny

  • Sunday Night

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

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Light south wind.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. South wind 3 to 8 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 65. South wind around 8 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 82. South wind 6 to 9 mph becoming northwest in the afternoon.
Friday Night
Mostly clear, with a low around 60. Northwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 79. Northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 55. Northwest wind 5 to 7 mph becoming calm after midnight.
Sunday
Sunny, with a high near 78. Light north wind.
Sunday Night
Partly cloudy, with a low around 56. Calm wind.
Monday
Mostly sunny, with a high near 79. Light south wind.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61. Light south wind.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Light south wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 82. Calm wind becoming northwest 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
French Island WI
 43.85°N 91.27°W
Last Update:
8:57 am CDT Aug 20, 2026
Forecast Valid:
11am CDT Aug 20, 2026-6pm CDT Aug 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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