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

42°F

6°C

Humidity 79%
Wind Speed W 5 mph
Barometer 29.70 in (1006.7 mb)
Dewpoint 36°F (2°C)
Visibility 8.00 mi
Wind Chill39°F (4°C)
Last update 20 Mar 5:53 am CDT
Extended Forecast for

Chilton WI

  • Today

    Today: Partly sunny, with a high near 46. West wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Light and variable wind becoming west southwest around 5 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52. South southeast wind 6 to 11 mph.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. South southwest wind 8 to 10 mph becoming north after midnight.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Cloudy, with a high near 40. North northeast wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 40 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

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

    Low: 28 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 46. West wind 6 to 11 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 33. Light and variable wind becoming west southwest around 5 mph after midnight.
Saturday
Partly sunny, with a high near 52. South southeast wind 6 to 11 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. South southwest wind 8 to 10 mph becoming north after midnight.
Sunday
A 30 percent chance of rain before 1pm. Cloudy, with a high near 40. North northeast wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A slight chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34. Chance of precipitation is 20%.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
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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:
4:22 am CDT Mar 20, 2026
Forecast Valid:
5am CDT Mar 20, 2026-6pm CDT Mar 26, 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