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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed NE 10 mph
Barometer 29.45 in (998.4 mb)
Dewpoint 34°F (1°C)
Visibility 2.00 mi
Wind Chill26°F (-3°C)
Last update 28 Dec 1:53 pm CST
Extended Forecast for

Chilton WI

Winter Storm Warning December 28, 09:00pm until December 29, 03:00pm
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Rain. Areas of fog. High near 39. North northeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain and
    Areas Fog

  • Tonight

    Tonight: Snow, possibly mixed with rain, becoming all snow after 10pm. The snow could be heavy at times. Widespread blowing snow, mainly after 3am. Low around 19. Windy, with a northwest wind 9 to 14 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 19 °F

    Rain/Snow
    then Heavy
    Snow and
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 8am. Widespread blowing snow, mainly before 9am. Temperature falling to around 15 by 5pm. Windy, with a northwest wind 23 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 20 °F⇓

    Snow and
    Blowing Snow
    then Patchy
    Blowing Snow
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8. West northwest wind 14 to 21 mph, with gusts as high as 30 mph.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 22. West wind around 15 mph, with gusts as high as 23 mph.

    High: 22 °F

    Partly Sunny
    then Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 20.

    High: 20 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 3.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • New Year's Day

    New Year's Day: Sunny and cold, with a high near 10.

    High: 10 °F

    Cold

Detailed Forecast

This Afternoon
Rain. Areas of fog. High near 39. North northeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Snow, possibly mixed with rain, becoming all snow after 10pm. The snow could be heavy at times. Widespread blowing snow, mainly after 3am. Low around 19. Windy, with a northwest wind 9 to 14 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow, mainly before 8am. Widespread blowing snow, mainly before 9am. Temperature falling to around 15 by 5pm. Windy, with a northwest wind 23 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
Partly cloudy, with a low around 8. West northwest wind 14 to 21 mph, with gusts as high as 30 mph.
Tuesday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 22. West wind around 15 mph, with gusts as high as 23 mph.
Tuesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14.
Wednesday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 20.
Wednesday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 3.
New Year's Day
Sunny and cold, with a high near 10.
Thursday Night
Mostly clear, with a low around 1.
Friday
Sunny, with a high near 17.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 25.
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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:
1:41 pm CST Dec 28, 2025
Forecast Valid:
2pm CST Dec 28, 2025-6pm CST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation