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.

Fair

38°F

3°C

Humidity 52%
Wind Speed SW 8 mph
Barometer 29.77 in (1009.8 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 26 Feb 4:53 pm CST
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Partly cloudy, with a low around 26. West southwest wind 6 to 8 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 49. South southwest wind 7 to 16 mph, with gusts as high as 25 mph.

    High: 49 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 24. North northwest wind 7 to 10 mph.

    High: 24 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 8. North wind around 7 mph.

    Low: 8 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. West southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 49. South southwest wind 7 to 16 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 18. West wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 24. North northwest wind 7 to 10 mph.
Saturday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 8. North wind around 7 mph.
Sunday
Sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
A 20 percent chance of snow. Mostly cloudy, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
4:56 pm CST Feb 26, 2026
Forecast Valid:
5pm CST Feb 26, 2026-6pm CST Mar 5, 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