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

19°F

-7°C

Humidity 62%
Wind Speed Calm
Barometer 30.34 in (1029.9 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 23 Feb 6:53 pm CST
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow, mainly after 10am. High near 33. South wind 11 to 21 mph becoming west southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 33 °F

    Chance Snow
    then Snow

  • Tuesday Night

    Tuesday Night: A chance of flurries before midnight. Mostly cloudy, with a low around 13. West northwest wind 16 to 18 mph, with gusts as high as 28 mph.

    Low: 13 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22. West northwest wind 8 to 18 mph, with gusts as high as 26 mph.

    High: 22 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 13. West northwest wind around 6 mph becoming light and variable in the evening.

    Low: 13 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow. Mostly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 16. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
Snow, mainly after 10am. High near 33. South wind 11 to 21 mph becoming west southwest in the afternoon. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday Night
A chance of flurries before midnight. Mostly cloudy, with a low around 13. West northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 22. West northwest wind 8 to 18 mph, with gusts as high as 26 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 13. West northwest wind around 6 mph becoming light and variable in the evening.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 32.
Thursday Night
Mostly clear, with a low around 24.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 24.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 30.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 24.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.14°W (Elev. 902 ft)
Last Update:
4:01 pm CST Feb 23, 2026
Forecast Valid:
7pm CST Feb 23, 2026-6pm CST Mar 2, 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