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.

Fair

-7°F

-22°C

Humidity 61%
Wind Speed S 3 mph
Barometer 30.54 in (1038.8 mb)
Dewpoint -17°F (-27°C)
Visibility 10.00 mi
Last update 24 Jan 4:53 pm CST
Extended Forecast for

Winnebago WI

Cold Weather Advisory January 25, 12:00am until January 25, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, with a low around -10. Wind chill values between -10 and -20. Calm wind becoming north around 5 mph after midnight.

    Low: -10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny and cold, with a high near 7. Wind chill values between -15 and -25. North wind around 7 mph.

    High: 7 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -7. Wind chill values between -15 and -25. Northwest wind 6 to 9 mph.

    Low: -7 °F

    Mostly Clear

  • Monday

    Monday: Sunny and cold, with a high near 9. Wind chill values between -15 and -25. West wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 9 °F

    Cold

  • Monday Night

    Monday Night: A chance of flurries before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 3. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 3 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -1.

    Low: -1 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around -10. Wind chill values between -10 and -20. Calm wind becoming north around 5 mph after midnight.
Sunday
Partly sunny and cold, with a high near 7. Wind chill values between -15 and -25. North wind around 7 mph.
Sunday Night
Mostly clear, with a low around -7. Wind chill values between -15 and -25. Northwest wind 6 to 9 mph.
Monday
Sunny and cold, with a high near 9. Wind chill values between -15 and -25. West wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
A chance of flurries before midnight, then a slight chance of snow after midnight. Mostly cloudy, with a low around 3. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 12.
Tuesday Night
Partly cloudy, with a low around -1.
Wednesday
Partly sunny and cold, with a high near 10.
Wednesday Night
Partly cloudy, with a low around 0.
Thursday
Mostly sunny, with a high near 13.
Thursday Night
Mostly clear, with a low around 1.
Friday
Sunny, with a high near 17.
Friday Night
A 20 percent chance of snow. Partly cloudy, with a low around 4.
Saturday
Mostly sunny, with a high near 20.
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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:
4:51 pm CST Jan 24, 2026
Forecast Valid:
5pm CST Jan 24, 2026-6pm CST Jan 31, 2026
 
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