National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

49°F

9°C

Humidity 56%
Wind Speed E 6 mph
Barometer 30.05 in (1018.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 4 Mar 4:53 pm CST
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Calm wind becoming northeast around 6 mph after midnight.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain between noon and 2pm. Mostly cloudy, with a high near 45. Northeast wind 6 to 9 mph.

    High: 45 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. East southeast wind 3 to 6 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Rain, with thunderstorms also possible after noon. High near 58. Southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 40. South southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: A 30 percent chance of rain before noon. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 32. Calm wind becoming northeast around 6 mph after midnight.
Thursday
A 20 percent chance of rain between noon and 2pm. Mostly cloudy, with a high near 45. Northeast wind 6 to 9 mph.
Thursday Night
Mostly cloudy, with a low around 36. East southeast wind 3 to 6 mph.
Friday
Rain, with thunderstorms also possible after noon. High near 58. Southeast wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Friday Night
Rain and possibly a thunderstorm. Low around 40. South southwest wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Saturday
A 30 percent chance of rain before noon. Partly sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 63.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 38.
Tuesday
Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 25. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 35. Chance of precipitation is 40%.
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:
5:06 pm CST Mar 4, 2026
Forecast Valid:
5pm CST Mar 4, 2026-6pm CDT Mar 11, 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