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.

Partly Cloudy

79°F

26°C

Humidity 39%
Wind Speed NW 12 mph
Barometer 30.04 in (1016.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 23 Aug 3:53 pm CDT
Extended Forecast for

French Island WI

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 64. South wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 83. West wind 6 to 14 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Northwest wind 3 to 8 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Northwest wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Light northwest wind.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81. Calm wind.
Monday Night
Mostly clear, with a low around 60. Light south wind.
Tuesday
Mostly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 64. South wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Sunny, with a high near 83. West wind 6 to 14 mph.
Wednesday Night
Mostly clear, with a low around 62. Northwest wind 3 to 8 mph.
Thursday
Sunny, with a high near 82. Northwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 57. Light northwest wind.
Friday
Sunny, with a high near 82. Calm wind.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61. Light and variable wind.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 81. Light southeast wind becoming south 5 to 9 mph in the morning.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind 3 to 7 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82. 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:
1:26 pm CDT Aug 23, 2026
Forecast Valid:
4pm CDT Aug 23, 2026-6pm CDT Aug 30, 2026
 
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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