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

32°F

0°C

Humidity 92%
Wind Speed NW 12 G 24 mph
Barometer 29.89 in (1013.3 mb)
Dewpoint 30°F (-1°C)
Visibility 1.00 mi
Wind Chill23°F (-5°C)
Last update 11 Mar 2:53 pm CDT
Extended Forecast for

Winnebago WI

  • This Afternoon

    This Afternoon: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 37. North northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely

  • Tonight

    Tonight: Mostly clear, with a low around 25. West northwest wind 6 to 15 mph, with gusts as high as 22 mph.

    Low: 25 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 42. West northwest wind 6 to 9 mph becoming south southwest in the afternoon.

    High: 42 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Snow before 9pm, then rain and snow. Low around 32. Breezy, with a south wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 39. Windy, with a west wind 25 to 30 mph, with gusts as high as 46 mph.

    High: 39 °F

    Mostly Cloudy
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Cloudy, with a low around 28. Chance of precipitation is 70%.

    Low: 28 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: Rain and snow. High near 34. Breezy. Chance of precipitation is 80%.

    High: 34 °F

    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 37. North northwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Mostly clear, with a low around 25. West northwest wind 6 to 15 mph, with gusts as high as 22 mph.
Thursday
Increasing clouds, with a high near 42. West northwest wind 6 to 9 mph becoming south southwest in the afternoon.
Thursday Night
Snow before 9pm, then rain and snow. Low around 32. Breezy, with a south wind 13 to 18 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
Mostly cloudy, with a high near 39. Windy, with a west wind 25 to 30 mph, with gusts as high as 46 mph.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 38.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 28. Chance of precipitation is 70%.
Sunday
Rain and snow. High near 34. Breezy. Chance of precipitation is 80%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 14. Blustery. Chance of precipitation is 70%.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 23. Blustery.
Monday Night
Mostly cloudy, with a low around 2.
Tuesday
Sunny, with a high near 24.
Tuesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 14.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
3:12 pm CDT Mar 11, 2026
Forecast Valid:
3pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation