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

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

A Few Clouds

66°F

19°C

Humidity 84%
Wind Speed W 6 mph
Barometer 29.92 in (1012.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 26 Aug 10:53 pm CDT
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: Mostly clear, with a low around 60. West northwest wind around 6 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. North northwest wind 6 to 9 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. East wind 5 to 7 mph.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. South southeast wind around 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 80.

    High: 80 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 60. West northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 78. North northwest wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 55. East wind 5 to 7 mph.
Friday
Sunny, with a high near 79. Light and variable wind becoming southwest around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 60. South southeast wind around 8 mph.
Saturday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 80.
Saturday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 84.
Sunday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.17°W (Elev. 850 ft)
Last Update:
9:46 pm CDT Aug 26, 2026
Forecast Valid:
11pm CDT Aug 26, 2026-6pm CDT Sep 2, 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