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

10°F

-12°C

Humidity 76%
Wind Speed W 9 G 18 mph
Barometer 30.17 in (1024.1 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 30 Dec 1:53 am CST
Extended Forecast for

Chilton WI

  • Overnight

    Overnight: A chance of flurries before 3am. Mostly cloudy, with a steady temperature around 11. West northwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 11 °F

    Chance
    Flurries

  • Tuesday

    Tuesday: Snow likely, mainly after noon. Mostly cloudy, with a high near 20. West wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 20 °F

    Chance Snow
    then Snow
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Partly sunny, with a high near 19. West northwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 19 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 0. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: 0 °F

    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 6.

    Low: 6 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of flurries before 3am. Mostly cloudy, with a steady temperature around 11. West northwest wind around 14 mph, with gusts as high as 24 mph.
Tuesday
Snow likely, mainly after noon. Mostly cloudy, with a high near 20. West wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Wednesday
A 20 percent chance of snow after noon. Partly sunny, with a high near 19. West northwest wind 11 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 0. West northwest wind 10 to 14 mph, with gusts as high as 21 mph.
New Year's Day
Mostly sunny, with a high near 11.
Thursday Night
Mostly cloudy, with a low around 6.
Friday
Mostly sunny, with a high near 17.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Mostly sunny, with a high near 19.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 27.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 19.
Monday
Mostly cloudy, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilton WI
 44.02°N 88.14°W (Elev. 902 ft)
Last Update:
1:36 am CST Dec 30, 2025
Forecast Valid:
2am CST Dec 30, 2025-6pm CST Jan 5, 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