Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

-5°F

-21°C

Humidity 75%
Wind Speed Vrbl 5 mph
Barometer 30.24 in (1027.7 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-16°F (-27°C)
Last update 20 Jan 5:53 am CST
Extended Forecast for

3 Miles ESE Winnebago WI

Cold Weather Advisory January 20, 06:52am until January 20, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory January 20, 06:52am until January 20, 10:00am

    NOW until 10:00am Tue

    Cold Weather Advisory

  • Today

    High: 11 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow likely, mainly between 10pm and 5am.  Cloudy, with a steady temperature around 9. South southwest wind 5 to 9 mph becoming northeast after midnight.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 9 °F

    Snow Likely

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before noon.  Mostly cloudy, with a high near 21. North wind 6 to 14 mph becoming west southwest in the morning. Winds could gust as high as 22 mph.

    High: 21 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 3. Wind chill values between -5 and -15. West wind 14 to 20 mph, with gusts as high as 24 mph.

    Low: 3 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 11. West wind 16 to 20 mph, with gusts as high as 24 mph.

    High: 11 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -14.

    Low: -14 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and cold, with a high near -7.

    High: -7 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -17.

    Low: -17 °F

    Mostly Clear

Detailed Forecast

Today
Increasing clouds, with a high near 11. Wind chill values between -15 and -25. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Tonight
Snow likely, mainly between 10pm and 5am. Cloudy, with a steady temperature around 9. South southwest wind 5 to 9 mph becoming northeast after midnight. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 21. North wind 6 to 14 mph becoming west southwest in the morning. Winds could gust as high as 22 mph.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 3. Wind chill values between -5 and -15. West wind 14 to 20 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 11. West wind 16 to 20 mph, with gusts as high as 24 mph.
Thursday Night
Partly cloudy, with a low around -14.
Friday
Sunny and cold, with a high near -7.
Friday Night
Mostly clear, with a low around -17.
Saturday
Mostly sunny and cold, with a high near 0.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around -8.
Sunday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 8.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -6.
Monday
Mostly sunny and cold, with a high near 10.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Winnebago WI
 44.03°N 88.44°W (Elev. 748 ft)
3:56 am CST Jan 20, 2026
6am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database