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.

Overcast

26°F

-3°C

Humidity 57%
Wind Speed W 13 G 20 mph
Barometer 30.32 in (1028.5 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 28 Nov 12:53 pm CST
Extended Forecast for

Winnebago WI

Winter Storm Warning November 29, 08:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 28. West northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 28 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 19. West northwest wind around 6 mph becoming calm in the evening.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow, mainly after 8am. The snow could be heavy at times. High near 31. Light and variable wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 31 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 23. East wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 23 °F

    Heavy Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Partly sunny, with a high near 28. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 32 mph.

    High: 28 °F

    Chance Snow
    and Blustery
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 5.

    Low: 5 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 18.

    High: 18 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 28. West northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Tonight
A 30 percent chance of snow, mainly after 5am. Increasing clouds, with a low around 19. West northwest wind around 6 mph becoming calm in the evening.
Saturday
Snow, mainly after 8am. The snow could be heavy at times. High near 31. Light and variable wind becoming east 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 23. East wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday
A 30 percent chance of snow before noon. Partly sunny, with a high near 28. Blustery, with a west northwest wind 13 to 22 mph, with gusts as high as 32 mph.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly cloudy, with a high near 18.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 13.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 28.
Wednesday Night
Partly cloudy, with a low around 5.
Thursday
Mostly sunny, with a high near 17.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.06°N 88.53°W (Elev. 758 ft)
Last Update:
1:12 pm CST Nov 28, 2025
Forecast Valid:
1pm CST Nov 28, 2025-6pm CST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation