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

43°F

6°C

Humidity 32%
Wind Speed W 16 G 26 mph
Barometer 29.87 in (1012.4 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 16 Nov 1:53 pm CST
Extended Forecast for

Winnebago WI

  • This Afternoon

    This Afternoon: Sunny, with a high near 44. West northwest wind around 17 mph, with gusts as high as 25 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 30. Northwest wind 9 to 15 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 42. Northwest wind 5 to 9 mph becoming calm in the morning.

    High: 42 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A chance of rain after 9pm, mixing with snow after 3am. Mostly cloudy, with a low around 36. Calm wind becoming east 5 to 9 mph in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 36 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain and snow likely, becoming all rain after 9am. Mostly cloudy, with a high near 40. East wind around 10 mph. Chance of precipitation is 60%.

    High: 40 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 44. West northwest wind around 17 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 30. Northwest wind 9 to 15 mph, with gusts as high as 20 mph.
Monday
Increasing clouds, with a high near 42. Northwest wind 5 to 9 mph becoming calm in the morning.
Monday Night
A chance of rain after 9pm, mixing with snow after 3am. Mostly cloudy, with a low around 36. Calm wind becoming east 5 to 9 mph in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tuesday
Rain and snow likely, becoming all rain after 9am. Mostly cloudy, with a high near 40. East wind around 10 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 45.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.06°N 88.5°W (Elev. 748 ft)
Last Update:
2:21 pm CST Nov 16, 2025
Forecast Valid:
2pm CST Nov 16, 2025-6pm CST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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