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

Hazardous Weather Conditions

Current conditions at

Clintonville Municipal Airport (KCLI)

Lat: 44.62°NLon: 88.73°WElev: 810ft.

Overcast

66°F

19°C

Humidity 84%
Wind Speed S 8 mph
Barometer 29.98 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Jul 9:35 am CDT
Extended Forecast for

Marion WI

  • Today

    Today: Mostly cloudy, with a high near 83. Heat index values as high as 86. Southwest wind 7 to 9 mph.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 67. West wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 99. Light southwest wind becoming west southwest 5 to 10 mph in the morning.

    High: 91 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. West southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 70%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light and variable wind becoming west northwest 5 to 10 mph in the morning.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 7pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 83. Heat index values as high as 86. Southwest wind 7 to 9 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 67. West wind around 6 mph becoming calm in the evening.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 99. Light southwest wind becoming west southwest 5 to 10 mph in the morning.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. West southwest wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light and variable wind becoming west northwest 5 to 10 mph in the morning.
Monday Night
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 86.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 63.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
9:07 am CDT Jul 25, 2026
Forecast Valid:
9am CDT Jul 25, 2026-6pm CDT Jul 31, 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