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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

-2°F

-19°C

Humidity 62%
Wind Speed W 8 mph
Barometer 30.20 in (1026.5 mb)
Dewpoint -12°F (-24°C)
Visibility 10.00 mi
Wind Chill-17°F (-27°C)
Last update 19 Jan 8:53 pm CST
Extended Forecast for

4 Miles N Van Dyne WI

Cold Weather Advisory January 19, 09:18pm until January 20, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 19, 09:18pm until January 20, 10:00am

    NOW until 10:00am Tue

    Cold Weather Advisory

  • Tonight

    Low: -4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 11. Wind chill values between -10 and -20. West wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 11 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Snow, mainly after 9pm. Temperature rising to around 15 by 3am. South southwest wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 9 °F⇑

    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 21. Northwest wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 21 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 4. West wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 4 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 11.

    High: 11 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -14.

    Low: -14 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -5.

    High: -5 °F

    Cold

Detailed Forecast

Tonight
Partly cloudy, with a low around -4. Wind chill values between -15 and -20. West wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 11. Wind chill values between -10 and -20. West wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Snow, mainly after 9pm. Temperature rising to around 15 by 3am. South southwest wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 21. Northwest wind 6 to 14 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 4. West wind 10 to 14 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 11.
Thursday Night
Partly cloudy, with a low around -14.
Friday
Sunny and cold, with a high near -5.
Friday Night
Partly cloudy, with a low around -17.
Saturday
Mostly sunny and cold, with a high near -2.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -12.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 5.
Sunday Night
Mostly cloudy, with a low around -4.
Monday
Mostly sunny, with a high near 13.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Van Dyne WI
 43.93°N 88.54°W (Elev. 801 ft)
Last Update:
8:36 pm CST Jan 19, 2026
Forecast Valid:
9pm CST Jan 19, 2026-6pm CST Jan 26, 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