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.

Fair

70°F

21°C

Humidity 61%
Wind Speed NE 7 mph
Barometer 30.32 in (1026.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Sep 4:53 pm CDT
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between midnight and 3am. Mostly cloudy, with a low around 56. East northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 10 percent chance of showers before 7am. Partly sunny, with a high near 72. Northeast wind 3 to 5 mph.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 67. East wind 6 to 11 mph.

    High: 67 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 59. East wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    Low: 59 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly between midnight and 3am. Mostly cloudy, with a low around 56. East northeast wind 5 to 7 mph becoming calm in the evening.
Thursday
A 10 percent chance of showers before 7am. Partly sunny, with a high near 72. Northeast wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 54. Calm wind becoming east northeast around 5 mph after midnight.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 67. East wind 6 to 11 mph.
Friday Night
Showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 59. East wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 90%.
Saturday Night
A 40 percent chance of showers. Cloudy, with a low around 56.
Sunday
Mostly cloudy, with a high near 64.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 52.
Monday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 65.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Wednesday
Partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.17°W (Elev. 850 ft)
Last Update:
3:57 pm CDT Sep 16, 2026
Forecast Valid:
5pm CDT Sep 16, 2026-6pm CDT Sep 23, 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