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.

Fair

61°F

16°C

Humidity 29%
Wind Speed S 15 G 25 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 29 Mar 2:53 pm CDT
Extended Forecast for

4 Miles N Van Dyne WI

  • Tonight

    Tonight: Mostly clear, with a low around 42. South southwest wind 7 to 10 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 62. Southwest wind 6 to 11 mph becoming northeast in the morning.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 41. East northeast wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 59. East wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 31. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

  • Thursday

    Thursday: Rain, snow, and freezing rain likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 39. Breezy. Chance of precipitation is 70%.

    High: 39 °F

    Wintry Mix
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.

    Low: 30 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 42. South southwest wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 62. Southwest wind 6 to 11 mph becoming northeast in the morning.
Monday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 41. East northeast wind 8 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 59. East wind 9 to 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Tuesday Night
A slight chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 31. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29.
Thursday
Rain, snow, and freezing rain likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 39. Breezy. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%.
Friday
Mostly cloudy, with a high near 45.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 49.
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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:
2:36 pm CDT Mar 29, 2026
Forecast Valid:
3pm CDT Mar 29, 2026-6pm CDT Apr 5, 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