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

39°F

4°C

Humidity 36%
Wind Speed Vrbl 3 G 17 mph
Barometer 30.40 in (1030.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 23 Mar 3:53 pm CDT
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: A 10 percent chance of snow after 5am. Increasing clouds, with a low around 28. Light and variable wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.

    Low: 28 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 10 percent chance of snow before 7am. Partly sunny, with a high near 48. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 48 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. South wind 5 to 7 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. South wind 7 to 9 mph.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
A 10 percent chance of snow after 5am. Increasing clouds, with a low around 28. Light and variable wind becoming south southwest 6 to 11 mph in the evening. Winds could gust as high as 20 mph.
Tuesday
A 10 percent chance of snow before 7am. Partly sunny, with a high near 48. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 34. South wind 5 to 7 mph.
Wednesday
Mostly cloudy, with a high near 56. South wind 7 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 43. South wind around 6 mph.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 41.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 55.
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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:
3:26 pm CDT Mar 23, 2026
Forecast Valid:
4pm CDT Mar 23, 2026-6pm CDT Mar 30, 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