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.

Overcast

60°F

16°C

Humidity 84%
Wind Speed S 8 mph
Barometer 30.13 in (1019.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 27 Sep 9:53 am CDT
Extended Forecast for

Onalaska WI

  • Today

    Today: A slight chance of showers before 4pm, then a chance of sprinkles after 4pm. Cloudy, with a high near 67. Calm wind. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Light south wind.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 72. Light south wind increasing to 5 to 9 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 58. South wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. South wind 3 to 5 mph. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 69. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 69 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before 4pm, then a chance of sprinkles after 4pm. Cloudy, with a high near 67. Calm wind. Chance of precipitation is 20%.
Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 54. Calm wind.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 74. Calm wind.
Monday Night
Partly cloudy, with a low around 54. Light south wind.
Tuesday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 72. Light south wind increasing to 5 to 9 mph in the morning. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers. Low around 58. South wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 70. South wind 3 to 5 mph. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 57. Calm wind.
Thursday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 69. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 64. Calm wind becoming northeast around 6 mph in the afternoon.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46. Calm wind.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 65. Calm wind becoming south around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WI
 43.89°N 91.2°W
Last Update:
8:11 am CDT Sep 27, 2026
Forecast Valid:
10am CDT Sep 27, 2026-6pm CDT Oct 3, 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