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

22°F

-6°C

Humidity 78%
Wind Speed W 3 mph
Barometer 30.33 in (1029.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 28 Feb 8:53 pm CST
Extended Forecast for

3 Miles ESE Winnebago WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Light north wind becoming north northeast 6 to 11 mph in the evening.

    Low: 7 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 24. North northeast wind 5 to 8 mph becoming calm in the afternoon.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. Calm wind becoming south southeast 5 to 7 mph after midnight.

    Low: 11 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 37. South wind 7 to 14 mph, with gusts as high as 20 mph.

    High: 37 °F

    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 26. South southeast wind 5 to 9 mph.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow, mainly before noon. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.

    High: 38 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 41.

    High: 41 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Partly cloudy, with a low around 30.

    Low: 30 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 7. Light north wind becoming north northeast 6 to 11 mph in the evening.
Sunday
Mostly sunny, with a high near 24. North northeast wind 5 to 8 mph becoming calm in the afternoon.
Sunday Night
Mostly clear, with a low around 11. Calm wind becoming south southeast 5 to 7 mph after midnight.
Monday
Sunny, with a high near 37. South wind 7 to 14 mph, with gusts as high as 20 mph.
Monday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 26. South southeast wind 5 to 9 mph.
Tuesday
A chance of rain and snow, mainly before noon. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 41.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 30.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 45.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 33.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 33.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Winnebago WI
 44.03°N 88.44°W (Elev. 748 ft)
Last Update:
7:31 pm CST Feb 28, 2026
Forecast Valid:
9pm CST Feb 28, 2026-6pm CST Mar 7, 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