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.

Fog/Mist

24°F

-4°C

Humidity 100%
Wind Speed W 3 mph
Barometer 30.17 in (1023.2 mb)
Dewpoint 24°F (-4°C)
Visibility 1.00 mi
Last update 18 Nov 10:53 pm CST
Extended Forecast for

5 Miles NNE Van Dyne WI

Dense Fog Advisory November 18, 11:37pm until November 19, 08:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory November 18, 11:37pm until November 19, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Tonight

    Low: 28 °F

    Patchy Dense
    Fog

  • Wednesday

    Wednesday: Patchy fog between 9am and 10am. Widespread dense freezing fog, mainly before 8am. Otherwise, partly sunny, with a high near 42. Light and variable wind becoming south southeast around 5 mph in the afternoon.

    High: 42 °F

    Dense
    Freezing Fog
    and Patchy
    Fog then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a steady temperature around 39. South southwest wind around 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Mostly cloudy, with a high near 49. South southwest wind 6 to 10 mph.

    High: 49 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West northwest wind around 9 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Tonight
Patchy dense fog after 4am. Otherwise, partly cloudy, with a low around 28. North northeast wind 3 to 5 mph.
Wednesday
Patchy fog between 9am and 10am. Widespread dense freezing fog, mainly before 8am. Otherwise, partly sunny, with a high near 42. Light and variable wind becoming south southeast around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a steady temperature around 39. South southwest wind around 6 mph.
Thursday
A 20 percent chance of rain before noon. Mostly cloudy, with a high near 49. South southwest wind 6 to 10 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West northwest wind around 9 mph.
Friday
Sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 28.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 49.
Monday Night
A slight chance of rain and snow. Partly cloudy, with a low around 34. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of rain. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Van Dyne WI
 43.93°N 88.48°W (Elev. 748 ft)
Last Update:
8:51 pm CST Nov 18, 2025
Forecast Valid:
11pm CST Nov 18, 2025-6pm CST Nov 25, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation