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

62°F

17°C

Humidity 26%
Wind Speed S 16 G 24 mph
Barometer 29.96 in (1014.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 29 Mar 4:53 pm CDT
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: Mostly clear, with a low around 42. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 59. West southwest wind 6 to 11 mph becoming east northeast in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 39. East northeast wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 39 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 57. East wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 30. North wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

  • Thursday

    Thursday: Rain, snow, and freezing rain likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 70%.

    High: 38 °F

    Wintry Mix
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Monday
Mostly sunny, with a high near 59. West southwest wind 6 to 11 mph becoming east northeast in the afternoon.
Monday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 39. East northeast wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm. High near 57. East wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Tuesday Night
A slight chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 30. North wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 41.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29.
Thursday
Rain, snow, and freezing rain likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Friday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 44.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 49. Breezy.
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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:
3:56 pm CDT Mar 29, 2026
Forecast Valid:
5pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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