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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Unknown Precip Fog/Mist and Windy

27°F

-3°C

Humidity 85%
Wind Speed N 36 G 52 mph
Barometer 29.52 in (1001.0 mb)
Dewpoint 23°F (-5°C)
Visibility 0.75 mi
Wind Chill10°F (-12°C)
Last update 15 Mar 6:53 pm CDT
Extended Forecast for

3 Miles ESE Winnebago WI

Blizzard Warning March 15, 08:30pm until March 16, 04:00pm
Click here for hazard details and duration
Blizzard Warning
  •  
    Blizzard Warning March 15, 08:30pm until March 16, 04:00pm

    NOW until 4:00pm Mon

    Blizzard Warning

  • Tonight

    Low: 16 °F

    Wintry Mix
    and Blowing
    Snow then
    Heavy Snow
    and Blowing
    Snow

  • Monday

    Monday: Snow, mainly before 2pm. Widespread blowing snow, mainly before 3pm. High near 22. Windy, with a northwest wind 28 to 33 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
    then Snow
    Likely and
    Blowing Snow

  • Monday Night

    Monday Night: Patchy blowing snow before 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values between -10 and -20. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 31 mph.

    Low: -2 °F

    Patchy
    Blowing Snow
    and Blustery
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 18. Wind chill values between -10 and -20. West northwest wind 10 to 13 mph.

    High: 18 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 10. South wind 8 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

    Low: 10 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: A slight chance of snow and sleet before 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 20%.

    High: 34 °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 27. Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Tonight
Snow likely, possibly mixed with freezing rain before 11pm, then snow. The snow could be heavy at times. Widespread blowing snow. Low around 16. Windy, with a north northeast wind 28 to 31 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of 4 to 8 inches possible.
Monday
Snow, mainly before 2pm. Widespread blowing snow, mainly before 3pm. High near 22. Windy, with a northwest wind 28 to 33 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 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around -2. Wind chill values between -10 and -20. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 18. Wind chill values between -10 and -20. West northwest wind 10 to 13 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 10. South wind 8 to 13 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 34. 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 27. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 37.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 41.
Friday Night
Mostly cloudy, with a low around 28.
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 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Winnebago WI
 44.03°N 88.44°W (Elev. 748 ft)
Last Update:
7:56 pm CDT Mar 15, 2026
Forecast Valid:
8pm 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation