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.

Overcast

64°F

18°C

Humidity 90%
Wind Speed NE 9 mph
Barometer 30.26 in (1024.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Sep 12:53 pm CDT
Extended Forecast for

2 Miles NNW Van Dyne WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 70. Northeast wind 7 to 9 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 67. East wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 56. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 56 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 4pm, then showers likely. High near 65. East wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.

    High: 65 °F

    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 70. Northeast wind 7 to 9 mph.
Tonight
Partly cloudy, with a low around 55. Calm wind becoming east northeast around 5 mph after midnight.
Friday
A 30 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 67. East wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Showers, with thunderstorms also possible after 1am. Some of the storms could produce heavy rainfall. Low around 56. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Saturday
Showers and possibly a thunderstorm before 4pm, then showers likely. High near 65. East wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 65.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Monday
A 30 percent chance of showers. Mostly cloudy, with a high near 61.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Van Dyne WI
 43.91°N 88.54°W (Elev. 827 ft)
Last Update:
1:21 pm CDT Sep 17, 2026
Forecast Valid:
1pm CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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