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

63°F

17°C

Humidity 65%
Wind Speed E 8 mph
Barometer 30.32 in (1026.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 Sep 8:53 pm CDT
Extended Forecast for

5 Miles NNE Van Dyne WI

  • Tonight

    Tonight: A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 58. North northeast wind 3 to 6 mph.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 71. North northeast wind 3 to 5 mph.

    High: 71 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Calm wind becoming east northeast 5 to 7 mph after midnight.

    Low: 57 °F

    Decreasing
    Clouds

  • Friday

    Friday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 68. East wind 8 to 13 mph, with gusts as high as 20 mph.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. Low around 60. East wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.

    Low: 60 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 58. North northeast wind 3 to 6 mph.
Thursday
A 30 percent chance of showers, mainly before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 71. North northeast wind 3 to 5 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Calm wind becoming east northeast 5 to 7 mph after midnight.
Friday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 68. East wind 8 to 13 mph, with gusts as high as 20 mph.
Friday Night
Showers, with thunderstorms also possible after 10pm. Some of the storms could produce heavy rainfall. Low around 60. East wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 90%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Sunday
Mostly cloudy, with a high near 63.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55.
Monday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 63.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 65.
Tuesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 69.
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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:
9:36 pm CDT Sep 16, 2026
Forecast Valid:
10pm CDT Sep 16, 2026-6pm CDT Sep 23, 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