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.

A Few Clouds

66°F

19°C

Humidity 73%
Wind Speed N 10 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Jun 9:53 am CDT
Extended Forecast for

Chilton WI

  • Today

    Today: Sunny, with a high near 75. North northeast wind around 10 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. East wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming north northeast around 5 mph in the morning.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then showers and possibly a thunderstorm after 1am. Low around 56. South southeast wind 6 to 8 mph. Chance of precipitation is 80%.

    Low: 56 °F

    Slight Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 74. Southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 56. Chance of precipitation is 50%.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 75. North northeast wind around 10 mph.
Tonight
Mostly clear, with a low around 51. East wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 75. Calm wind becoming north northeast around 5 mph in the morning.
Tuesday Night
A slight chance of showers, then showers and possibly a thunderstorm after 1am. Low around 56. South southeast wind 6 to 8 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 74. Southwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 56. Chance of precipitation is 50%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
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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:
8:46 am CDT Jun 22, 2026
Forecast Valid:
10am CDT Jun 22, 2026-6pm CDT Jun 28, 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