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.

Light Snow Fog/Mist

11°F

-12°C

Humidity 88%
Wind Speed S 3 mph
Barometer 30.02 in (1019.3 mb)
Dewpoint 8°F (-13°C)
Visibility 2.50 mi
Last update 21 Jan 1:53 am CST
Extended Forecast for

3 Miles ESE Winnebago WI

Extreme Cold Watch January 23, 12:00am until January 24, 12:00pm
Click here for hazard details and duration
Extreme Cold Watch

  • Overnight

    Overnight: Snow likely, mainly before 3am. Cloudy, with a steady temperature around 11. South wind around 6 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 11 °F

    Snow Likely

  • Wednesday

    Wednesday: A 40 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 22. West southwest wind 5 to 14 mph, with gusts as high as 22 mph.

    High: 22 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 10pm. Patchy blowing snow between 11pm and 4am. Cloudy during the early evening, then gradual clearing, with a low around 4. West wind 11 to 21 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.

    Low: 4 °F

    Chance Snow
    and Patchy
    Blowing Snow
    then Patchy
    Blowing Snow

  • Thursday

    Thursday: A 20 percent chance of snow after 3pm. Partly sunny, with a high near 13. Wind chill values between -5 and -15. West wind 17 to 21 mph, with gusts as high as 26 mph.

    High: 13 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -15. Blustery, with a west northwest wind around 23 mph.

    Low: -15 °F

    Partly Cloudy
    and Blustery

  • Friday

    Friday: Sunny and cold, with a high near -9. Blustery.

    High: -9 °F

    Sunny and
    Blustery then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -19.

    Low: -19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and cold, with a high near -2.

    High: -2 °F

    Cold

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -8.

    Low: -8 °F

    Partly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Snow likely, mainly before 3am. Cloudy, with a steady temperature around 11. South wind around 6 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A 40 percent chance of snow, mainly after 4pm. Mostly cloudy, with a high near 22. West southwest wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
A 50 percent chance of snow, mainly before 10pm. Patchy blowing snow between 11pm and 4am. Cloudy during the early evening, then gradual clearing, with a low around 4. West wind 11 to 21 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow after 3pm. Partly sunny, with a high near 13. Wind chill values between -5 and -15. West wind 17 to 21 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around -15. Blustery, with a west northwest wind around 23 mph.
Friday
Sunny and cold, with a high near -9. Blustery.
Friday Night
Mostly clear, with a low around -19.
Saturday
Mostly sunny and cold, with a high near -2.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around -8.
Sunday
A 20 percent chance of snow. Partly sunny and cold, with a high near 7.
Sunday Night
Partly cloudy, with a low around -5.
Monday
Mostly sunny and cold, with a high near 10.
Monday Night
Partly cloudy, with a low around 1.
Tuesday
Partly sunny, with a high near 16.
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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:
2:06 am CST Jan 21, 2026
Forecast Valid:
2am CST Jan 21, 2026-6pm CST Jan 27, 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