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

49°F

9°C

Humidity 83%
Wind Speed S 5 mph
Barometer 29.57 in (1001.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 21 Mar 9:53 pm CDT
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 35. Light and variable wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 18 mph.

    Low: 35 °F

    Partly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A 10 percent chance of rain before 7am. Mostly cloudy, with a high near 40. North wind 14 to 16 mph, with gusts as high as 25 mph.

    High: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. North wind 7 to 10 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40. Northwest wind around 7 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 28. South wind 6 to 10 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 35. Light and variable wind becoming north 6 to 11 mph after midnight. Winds could gust as high as 18 mph.
Sunday
A 10 percent chance of rain before 7am. Mostly cloudy, with a high near 40. North wind 14 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 22. North wind 7 to 10 mph.
Monday
Sunny, with a high near 40. Northwest wind around 7 mph.
Monday Night
Increasing clouds, with a low around 28. South wind 6 to 10 mph.
Tuesday
Mostly cloudy, with a high near 49.
Tuesday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
A slight chance of rain and snow before 1pm. Mostly cloudy, with a high near 47. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 50.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 44.
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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:
10:17 pm CDT Mar 21, 2026
Forecast Valid:
10pm CDT Mar 21, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation