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

39°F

4°C

Humidity 43%
Wind Speed NW 9 G 17 mph
Barometer 30.40 in (1030.9 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 23 Mar 2:53 pm CDT
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: A 30 percent chance of light snow after 5am. Increasing clouds, with a low around 28. Light and variable wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 28 °F

    Mostly Clear
    then Chance
    Light Snow

  • Tuesday

    Tuesday: A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 48. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 48 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35. South wind 6 to 9 mph.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. South wind around 11 mph, with gusts as high as 18 mph.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. South wind around 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of light snow after 5am. Increasing clouds, with a low around 28. Light and variable wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
A 10 percent chance of snow before 7am. Mostly cloudy, with a high near 48. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly cloudy, with a low around 35. South wind 6 to 9 mph.
Wednesday
Mostly cloudy, with a high near 56. South wind around 11 mph, with gusts as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 43. South wind around 7 mph.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 54.
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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:
2:32 pm CDT Mar 23, 2026
Forecast Valid:
3pm CDT Mar 23, 2026-6pm CDT Mar 30, 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