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 62%
Wind Speed S 12 mph
Barometer 30.13 in (1021.3 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 29 Mar 7:53 am CDT
Extended Forecast for

Chilton WI

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 60. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 43. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60. Southwest wind 6 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 44. East northeast wind 9 to 11 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 53. Southeast wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    High: 53 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

    High: 40 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 60. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 43. South southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 60. Southwest wind 6 to 11 mph becoming east southeast in the afternoon. Winds could gust as high as 18 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 44. East northeast wind 9 to 11 mph. Chance of precipitation is 70%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 53. Southeast wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Tuesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 28.
Thursday
A chance of snow before 1pm, then a chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 45.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
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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:
8:36 am CDT Mar 29, 2026
Forecast Valid:
8am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation