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.

Fog/Mist

66°F

19°C

Humidity 99%
Wind Speed Calm
Barometer 29.82 in
Dewpoint 66°F (19°C)
Visibility 1.50 mi
Last update 1 Oct 5:35 am CDT
Extended Forecast for

Marion WI

  • Overnight

    Overnight: A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 70. Calm wind becoming north northwest 5 to 8 mph in the morning.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Northwest wind around 6 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 64. Northwest wind 6 to 9 mph.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

Detailed Forecast

Overnight
A 30 percent chance of showers. Patchy fog. Otherwise, cloudy, with a low around 62. Calm wind.
Thursday
A 40 percent chance of showers, mainly before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 70. Calm wind becoming north northwest 5 to 8 mph in the morning.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. Northwest wind around 6 mph.
Friday
Sunny, with a high near 64. Northwest wind 6 to 9 mph.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 37. Calm wind.
Saturday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 65.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 47.
Sunday
Sunny, with a high near 67.
Sunday Night
Clear, with a low around 37.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marion WI
 44.67°N 88.88°W (Elev. 820 ft)
Last Update:
2:36 am CDT Oct 1, 2026
Forecast Valid:
5am CDT Oct 1, 2026-6pm CDT Oct 7, 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