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

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

33°F

1°C

Humidity 89%
Wind Speed E 6 mph
Barometer 30.01 in (1017.5 mb)
Dewpoint 30°F (-1°C)
Visibility 8.00 mi
Wind Chill27°F (-3°C)
Last update 19 Mar 8:53 pm CDT
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 39 by 4am. South southeast wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 33 °F⇑

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 46. Northwest wind 7 to 10 mph.

    High: 46 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34. Light and variable wind becoming southwest around 5 mph after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51. South wind 6 to 9 mph.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 36. South wind 8 to 10 mph becoming north northeast after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain and snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Rain/Snow

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a temperature rising to around 39 by 4am. South southeast wind 7 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Friday
Mostly cloudy, with a high near 46. Northwest wind 7 to 10 mph.
Friday Night
Mostly cloudy, with a low around 34. Light and variable wind becoming southwest around 5 mph after midnight.
Saturday
Partly sunny, with a high near 51. South wind 6 to 9 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 36. South wind 8 to 10 mph becoming north northeast after midnight.
Sunday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 44.
Sunday Night
A slight chance of rain and snow before 1am. Mostly cloudy, with a low around 24. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
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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:
8:37 pm CDT Mar 19, 2026
Forecast Valid:
9pm CDT Mar 19, 2026-6pm CDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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