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.

Fog/Mist

27°F

-3°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.20 in (1023.7 mb)
Dewpoint 27°F (-3°C)
Visibility 3.00 mi
Last update 4 Mar 3:53 am CST
Extended Forecast for

5 Miles NNE Van Dyne WI

  • Overnight

    Overnight: Mostly clear, with a low around 25. Light south wind.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 32. East southeast wind around 6 mph becoming northeast after midnight.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before noon. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 43. East northeast wind 7 to 9 mph.

    High: 43 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Southeast wind 5 to 7 mph.

    Low: 36 °F

    Cloudy then
    Slight Chance
    Rain

  • Friday

    Friday: Rain, with thunderstorms also possible after noon. High near 58. Chance of precipitation is 100%.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 37. Chance of precipitation is 90%.

    Low: 37 °F

    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 25. Light south wind.
Wednesday
Sunny, with a high near 49. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 32. East southeast wind around 6 mph becoming northeast after midnight.
Thursday
A 40 percent chance of rain, mainly before noon. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 43. East northeast wind 7 to 9 mph.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36. Southeast wind 5 to 7 mph.
Friday
Rain, with thunderstorms also possible after noon. High near 58. Chance of precipitation is 100%.
Friday Night
Rain and possibly a thunderstorm. Low around 37. Chance of precipitation is 90%.
Saturday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 61.
Monday Night
A 20 percent chance of rain. Mostly clear, with a low around 41.
Tuesday
Rain likely. Partly sunny, with a high near 54. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Van Dyne WI
 43.93°N 88.48°W (Elev. 748 ft)
Last Update:
3:06 am CST Mar 4, 2026
Forecast Valid:
3am CST Mar 4, 2026-6pm CDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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