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 and Breezy

25°F

-4°C

Humidity 88%
Wind Speed N 23 G 39 mph
Barometer 29.48 in (999.9 mb)
Dewpoint 22°F (-6°C)
Visibility 0.75 mi
Wind Chill10°F (-12°C)
Last update 15 Mar 10:53 pm CDT
Extended Forecast for

Winnebago WI

Blizzard Warning March 15, 11:50pm until March 16, 04:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 15, 11:50pm until March 16, 04:00pm

    NOW until 4:00pm Mon

    Blizzard Warning

  • Tonight

    Low: 18 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 2pm. The snow could be heavy at times. Widespread blowing snow, mainly before 1pm. High near 22. Windy, with a northwest wind 26 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 22 °F

    Heavy Snow
    and Blowing
    Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 9pm. Partly cloudy, with a low around 0. Wind chill values between -5 and -15. West northwest wind 10 to 20 mph, with gusts as high as 29 mph.

    Low: 0 °F

    Patchy
    Blowing Snow
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 21. West northwest wind 8 to 10 mph.

    High: 21 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 13. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    Low: 13 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: A slight chance of snow and sleet before 1pm. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.

    High: 38 °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 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Widespread blowing snow, mainly after 1am. Low around 18. Windy, with a north wind 28 to 30 mph, with gusts as high as 46 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Monday
Snow, mainly before 2pm. The snow could be heavy at times. Widespread blowing snow, mainly before 1pm. High near 22. Windy, with a northwest wind 26 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday Night
Patchy blowing snow before 9pm. Partly cloudy, with a low around 0. Wind chill values between -5 and -15. West northwest wind 10 to 20 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 21. West northwest wind 8 to 10 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 13. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.
Wednesday
A slight chance of snow and sleet before 1pm. Mostly cloudy, with a high near 38. 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 29. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Mostly cloudy, with a high near 44.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 39.
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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:
10:21 pm CDT Mar 15, 2026
Forecast Valid:
11pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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