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

23°F

-5°C

Humidity 60%
Wind Speed E 5 mph
Barometer 30.45 in (1033.4 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 1 Mar 5:53 pm CST
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Mostly clear, with a low around 17. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 17 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 41. South wind 6 to 10 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. South wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 41. Light east southeast wind.

    High: 41 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 30. Light east southeast wind.

    Low: 30 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain. Mostly sunny, with a high near 44.

    High: 44 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 17. Calm wind becoming south southeast around 5 mph after midnight.
Monday
Sunny, with a high near 41. South wind 6 to 10 mph.
Monday Night
Mostly cloudy, with a low around 29. South wind around 6 mph becoming calm in the evening.
Tuesday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 41. Light east southeast wind.
Tuesday Night
Partly cloudy, with a low around 30. Light east southeast wind.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 44.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A 30 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 36.
Friday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Friday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
1:32 pm CST Mar 1, 2026
Forecast Valid:
5pm CST Mar 1, 2026-6pm CDT Mar 8, 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