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.

Mostly Cloudy

23°F

-5°C

Humidity 78%
Wind Speed NW 13 mph
Barometer 30.06 in (1019.7 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 11 Jan 3:53 am CST
Extended Forecast for

Winnebago WI

  • Overnight

    Overnight: A 20 percent chance of snow before 5am. Mostly cloudy, with a steady temperature around 22. Northwest wind around 16 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 30. Northwest wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. West wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 28. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 50 percent chance of rain. Partly sunny, with a high near 40.

    High: 40 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.

    Low: 20 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before noon. Partly sunny, with a high near 26.

    High: 26 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow before 5am. Mostly cloudy, with a steady temperature around 22. Northwest wind around 16 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 30. Northwest wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 24. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 37. West wind 7 to 11 mph, with gusts as high as 18 mph.
Monday Night
Increasing clouds, with a low around 28. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
A 50 percent chance of rain. Partly sunny, with a high near 40.
Tuesday Night
A slight chance of rain before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 20. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of snow before noon. Partly sunny, with a high near 26.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 24.
Thursday Night
Snow likely. Mostly cloudy, with a low around 18. Chance of precipitation is 60%.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 28.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 12.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 19.
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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:
3:56 am CST Jan 11, 2026
Forecast Valid:
4am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation