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

Clintonville Municipal Airport (KCLI)

Lat: 44.62°NLon: 88.73°WElev: 810ft.

Partly Cloudy

68°F

20°C

Humidity 87%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 2 Sep 10:35 am CDT
Extended Forecast for

Marion WI

  • Today

    Today: A 20 percent chance of showers before 11am. Mostly sunny, with a high near 82. Light and variable wind becoming west southwest around 5 mph in the afternoon.

    High: 82 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 64. Calm wind becoming northeast around 5 mph.

    Low: 64 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 3pm, then a chance of thunderstorms after 5pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 81. Heat index values as high as 85. East northeast wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 83. Calm wind becoming east southeast around 6 mph in the morning. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers before 11am. Mostly sunny, with a high near 82. Light and variable wind becoming west southwest around 5 mph in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 64. Calm wind becoming northeast around 5 mph.
Thursday
A chance of showers and thunderstorms before 3pm, then a chance of thunderstorms after 5pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 81. Heat index values as high as 85. East northeast wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly cloudy, with a high near 83. Calm wind becoming east southeast around 6 mph in the morning. Chance of precipitation is 40%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80.
Saturday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.
Sunday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 80.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Labor Day
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Marion WI
 44.67°N 88.88°W (Elev. 820 ft)
Last Update:
8:41 am CDT Sep 2, 2026
Forecast Valid:
10am CDT Sep 2, 2026-6pm CDT Sep 8, 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