National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

44°F

7°C

Humidity 73%
Wind Speed SE 9 mph
Barometer 29.87 in (1012.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 21 Mar 10:53 am CDT
Extended Forecast for

4 Miles N Van Dyne WI

  • Today

    Today: Mostly sunny, with a high near 61. South wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 36. West wind 6 to 9 mph becoming north northeast after midnight.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain and snow, mainly before 10am. Mostly cloudy, with a steady temperature around 38. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. North northeast wind 6 to 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42. North northwest wind 3 to 6 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 29.

    Low: 29 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 61. South wind 11 to 16 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 36. West wind 6 to 9 mph becoming north northeast after midnight.
Sunday
A chance of rain and snow, mainly before 10am. Mostly cloudy, with a steady temperature around 38. North wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 23. North northeast wind 6 to 10 mph.
Monday
Sunny, with a high near 42. North northwest wind 3 to 6 mph.
Monday Night
Increasing clouds, with a low around 29.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31.
Wednesday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 40.
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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:
9:57 am CDT Mar 21, 2026
Forecast Valid:
11am CDT Mar 21, 2026-6pm CDT Mar 27, 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