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.

Overcast

50°F

10°C

Humidity 59%
Wind Speed E 9 mph
Barometer 30.26 in (1024.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 22 May 12:53 am CDT
Extended Forecast for

Chilton WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 45. East wind around 9 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63. East wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 63 °F

    Partly Sunny

  • Friday Night

    Friday Night: A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 47. East wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers between 7am and 1pm. Mostly cloudy, with a high near 65. East wind around 9 mph. Chance of precipitation is 30%.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 48. East wind 5 to 7 mph becoming light and variable after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 74.

    High: 74 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 45. East wind around 9 mph.
Friday
Partly sunny, with a high near 63. East wind 10 to 16 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 47. East wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday
A chance of showers between 7am and 1pm. Mostly cloudy, with a high near 65. East wind around 9 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 48. East wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 52.
Memorial Day
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 82.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 80.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
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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:
12:12 am CDT May 22, 2026
Forecast Valid:
1am CDT May 22, 2026-6pm CDT May 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