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

30°F

-1°C

Humidity 58%
Wind Speed W 12 mph
Barometer 29.85 in (1011.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 16 Nov 5:53 am CST
Extended Forecast for

Winnebago WI

  • Today

    Today: Sunny, with a high near 44. West northwest wind 13 to 16 mph, with gusts as high as 25 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 26. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.

    Low: 26 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 43. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 43 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Calm wind becoming east 5 to 8 mph after midnight.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 40. East wind around 10 mph. Chance of precipitation is 60%.

    High: 40 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 44. West northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 26. West northwest wind 8 to 11 mph, with gusts as high as 18 mph.
Monday
Increasing clouds, with a high near 43. Northwest wind 5 to 7 mph becoming light and variable in the afternoon.
Monday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Calm wind becoming east 5 to 8 mph after midnight.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 40. East wind around 10 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 45.
Friday Night
A 30 percent chance of rain. Partly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.04°N 88.5°W (Elev. 748 ft)
Last Update:
5:46 am CST Nov 16, 2025
Forecast Valid:
6am CST Nov 16, 2025-6pm CST Nov 22, 2025
 
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