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

80°F

27°C

Humidity 49%
Wind Speed E 8 mph
Barometer 29.98 in (1014.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 3 Aug 2:53 pm CDT
Extended Forecast for

Chilton WI

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind around 7 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 83. Heat index values as high as 87. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 62. West southwest wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 77. Light and variable wind becoming west around 5 mph in the morning.

    High: 77 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly before 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 62. South wind around 7 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 83. Heat index values as high as 87. Southwest wind 9 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. West southwest wind 5 to 9 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 77. Light and variable wind becoming west around 5 mph in the morning.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 57. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 83.
Saturday Night
A 30 percent chance of showers. Mostly clear, with a low around 66.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.05°N 88.17°W (Elev. 892 ft)
Last Update:
2:46 pm CDT Aug 3, 2026
Forecast Valid:
3pm CDT Aug 3, 2026-6pm CDT Aug 10, 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