Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Light Snow Fog/Mist

29°F

-2°C

Humidity 92%
Wind Speed N 17 G 28 mph
Barometer 29.54 in (1001.7 mb)
Dewpoint 27°F (-3°C)
Visibility 1.00 mi
Wind Chill17°F (-8°C)
Last update 15 Mar 3:53 pm CDT
Extended Forecast for

Winnebago WI

Blizzard Warning until March 16, 04:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning until March 16, 04:00pm

    NOW until 4:00pm Mon

    Blizzard Warning

  • This Afternoon

    High: 33 °F

    Wintry Mix
    and Windy

  • Tonight

    Tonight: Snow, freezing rain, and sleet before 2am, then snow, possibly mixed with sleet between 2am and 3am, then snow after 3am. The snow could be heavy at times.  Widespread blowing snow after 7pm. Low around 15. Windy, with a north northeast wind 26 to 31 mph, with gusts as high as 49 mph.  Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.  New snow and sleet accumulation of 3 to 7 inches possible.

    Low: 15 °F

    Wintry Mix
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 2pm.  Widespread blowing snow, mainly before 2pm. High near 22. Windy, with a northwest wind 28 to 31 mph, with gusts as high as 48 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 22 °F

    Snow and
    Blowing Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values between -10 and -20. Blustery, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 30 mph.

    Low: -2 °F

    Patchy
    Blowing Snow
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 18. West northwest wind around 10 mph.

    High: 18 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am.  Mostly cloudy, with a low around 11. Chance of precipitation is 60%.

    Low: 11 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: A slight chance of snow and sleet before 1pm.  Mostly cloudy, with a high near 35. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Snow/Sleet

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 1am, then a chance of rain.  Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Snow and freezing rain. High near 33. Windy, with a north northeast wind around 29 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. Total daytime ice accumulation of 0.1 to 0.3 of an inch possible. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow, freezing rain, and sleet before 2am, then snow, possibly mixed with sleet between 2am and 3am, then snow after 3am. The snow could be heavy at times. Widespread blowing snow after 7pm. Low around 15. Windy, with a north northeast wind 26 to 31 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of 3 to 7 inches possible.
Monday
Snow, mainly before 2pm. Widespread blowing snow, mainly before 2pm. High near 22. Windy, with a northwest wind 28 to 31 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday Night
Patchy blowing snow before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values between -10 and -20. Blustery, with a northwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 18. West northwest wind around 10 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.
Wednesday
A slight chance of snow and sleet before 1pm. Mostly cloudy, with a high near 35. Chance of precipitation is 20%.
Wednesday Night
A chance of rain and snow before 1am, then a chance of rain. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 25.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.06°N 88.5°W (Elev. 748 ft)
3:56 pm CDT Mar 15, 2026
4pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
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Additional Resources

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