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.

Fair

15°F

-9°C

Humidity 44%
Wind Speed W 8 mph
Barometer 29.94 in (1016.4 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 2 Jan 3:53 pm CST
Extended Forecast for

3 Miles ESE Winnebago WI

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 12. West northwest wind 5 to 8 mph.

    Low: 12 °F

    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly before noon. Cloudy, with a high near 21. West wind 5 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 21 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 5. West northwest wind 6 to 10 mph.

    Low: 5 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Increasing clouds, with a high near 26. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 26 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Snow likely before 3am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 18. South southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.

    Low: 18 °F

    Snow Likely
    then Chance
    Wintry Mix

  • Monday

    Monday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of freezing rain before noon, then a slight chance of rain. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Chance
    Freezing Rain
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a steady temperature around 12. West northwest wind 5 to 8 mph.
Saturday
Snow likely, mainly before noon. Cloudy, with a high near 21. West wind 5 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 5. West northwest wind 6 to 10 mph.
Sunday
Increasing clouds, with a high near 26. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.
Sunday Night
Snow likely before 3am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 18. South southeast wind 8 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A chance of freezing rain before noon, then a slight chance of rain. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 37.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 36.
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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:
3:11 pm CST Jan 2, 2026
Forecast Valid:
4pm CST Jan 2, 2026-6pm CST Jan 9, 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