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

39°F

4°C

Humidity 67%
Wind Speed NW 9 mph
Barometer 30.05 in (1018.5 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 9 Jan 2:53 pm CST
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: A 30 percent chance of snow after 5am. Increasing clouds, with a low around 27. West wind around 6 mph becoming calm in the evening.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow, mainly before noon. High near 33. Southwest wind 5 to 10 mph becoming west northwest 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow then
    Snow Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 20. West northwest wind 17 to 20 mph, with gusts as high as 28 mph.

    Low: 20 °F

    Chance Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Northwest wind 11 to 20 mph, with gusts as high as 28 mph.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22. West southwest wind 10 to 15 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
A 30 percent chance of snow after 5am. Increasing clouds, with a low around 27. West wind around 6 mph becoming calm in the evening.
Saturday
Snow, mainly before noon. High near 33. Southwest wind 5 to 10 mph becoming west northwest 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 20. West northwest wind 17 to 20 mph, with gusts as high as 28 mph.
Sunday
Mostly sunny, with a high near 27. Northwest wind 11 to 20 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 22. West southwest wind 10 to 15 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 39.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 26.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
A 20 percent chance of snow. Partly sunny, with a high near 24.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 27.
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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:
3:12 pm CST Jan 9, 2026
Forecast Valid:
3pm CST Jan 9, 2026-6pm CST Jan 16, 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