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.

Fair

8°F

-13°C

Humidity 60%
Wind Speed W 6 mph
Barometer 30.10 in (1022.1 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 17 Mar 9:53 am CDT
Extended Forecast for

Winnebago WI

  • Today

    Today: Increasing clouds, with a high near 21. West southwest wind 7 to 9 mph.

    High: 21 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of snow or flurries before 1am, then snow, mainly after 1am. Low around 16. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am. Mostly cloudy, with a high near 37. Southwest wind around 10 mph, with gusts as high as 18 mph.

    High: 37 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 31. Southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Thursday

    Thursday: Partly sunny, with a high near 40. Southwest wind around 5 mph becoming northeast in the morning.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 21. West southwest wind 7 to 9 mph.
Tonight
A chance of snow or flurries before 1am, then snow, mainly after 1am. Low around 16. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday
A 30 percent chance of snow before 7am. Mostly cloudy, with a high near 37. Southwest wind around 10 mph, with gusts as high as 18 mph.
Wednesday Night
A chance of rain and snow before 10pm, then a chance of rain. Mostly cloudy, with a low around 31. Southwest wind around 6 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 40. Southwest wind around 5 mph becoming northeast in the morning.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly cloudy, with a high near 42.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
A slight chance of rain before 1am, then a slight chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Mostly sunny, with a high near 38.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
10:13 am CDT Mar 17, 2026
Forecast Valid:
10am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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