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.

Partly Cloudy

20°F

-7°C

Humidity 62%
Wind Speed SW 8 mph
Barometer 29.79 in (1011.2 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 15 Jan 1:53 pm CST
Extended Forecast for

Winnebago WI

  • This Afternoon

    This Afternoon: A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 23. Southwest wind 8 to 10 mph.

    High: 23 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 2am. Temperature rising to around 24 by 4am. South southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F⇑

    Chance Snow
    then Snow

  • Friday

    Friday: Snow likely, mainly before noon. Cloudy, with a high near 32. West wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely
    then Chance
    Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 14. West wind around 11 mph, with gusts as high as 20 mph.

    Low: 14 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 23. West wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 23 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of snow after noon. Mostly cloudy, with a high near 15.

    High: 15 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -2.

    Low: -2 °F

    Chance Snow

  • M.L.King Day

    M.L.King Day: Partly sunny and cold, with a high near 3.

    High: 3 °F

    Cold

Detailed Forecast

This Afternoon
A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 23. Southwest wind 8 to 10 mph.
Tonight
Snow, mainly after 2am. Temperature rising to around 24 by 4am. South southwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow likely, mainly before noon. Cloudy, with a high near 32. West wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14. West wind around 11 mph, with gusts as high as 20 mph.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 23. West wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
A 50 percent chance of snow after noon. Mostly cloudy, with a high near 15.
Sunday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around -2.
M.L.King Day
Partly sunny and cold, with a high near 3.
Monday Night
Partly cloudy, with a low around -4.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 13.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 18.
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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:
2:26 pm CST Jan 15, 2026
Forecast Valid:
2pm CST Jan 15, 2026-6pm CST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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