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

12°F

-11°C

Humidity 77%
Wind Speed NW 12 mph
Barometer 30.47 in (1034.6 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 31 Jan 7:53 am CST
Extended Forecast for

4 Miles N Van Dyne WI

  • Today

    Today: Mostly sunny, with a high near 21. North northwest wind 5 to 10 mph becoming light northwest in the afternoon.

    High: 21 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 6. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 23. South wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 23 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Snow likely, mainly before 9pm. Mostly cloudy, with a low around 15. South southwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Snow Likely
    then Slight
    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 24. West northwest wind 7 to 10 mph.

    High: 24 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 21.

    High: 21 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 21. North northwest wind 5 to 10 mph becoming light northwest in the afternoon.
Tonight
Mostly clear, with a low around 6. Calm wind becoming south 5 to 7 mph after midnight.
Sunday
Mostly sunny, with a high near 23. South wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 15. South southwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Partly sunny, with a high near 24. West northwest wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Sunny, with a high near 21.
Wednesday Night
Partly cloudy, with a low around 9.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 29.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 30.
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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:
7:31 am CST Jan 31, 2026
Forecast Valid:
8am CST Jan 31, 2026-6pm CST Feb 6, 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