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

47°F

8°C

Humidity 48%
Wind Speed W 10 G 17 mph
Barometer 29.68 in (1006.0 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 27 Feb 7:53 pm CST
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Partly cloudy, with a low around 17. West northwest wind 9 to 17 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow, mainly before 5pm. High near 24. North northwest wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 24 °F

    Chance Snow
    then Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 9. North northeast wind 5 to 7 mph.

    Low: 9 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 24. North wind around 6 mph becoming calm in the afternoon.

    High: 24 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12. Light and variable wind.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 17. West northwest wind 9 to 17 mph, with gusts as high as 30 mph.
Saturday
Snow, mainly before 5pm. High near 24. North northwest wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 30 percent chance of snow, mainly before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 9. North northeast wind 5 to 7 mph.
Sunday
Sunny, with a high near 24. North wind around 6 mph becoming calm in the afternoon.
Sunday Night
Partly cloudy, with a low around 12. Light and variable wind.
Monday
Mostly sunny, with a high near 36.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26.
Tuesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 42.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 44.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 32.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
7:32 pm CST Feb 27, 2026
Forecast Valid:
8pm CST Feb 27, 2026-6pm CST Mar 6, 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