Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

62°F

17°C

Humidity 29%
Wind Speed S 9 mph
Barometer 29.95 in (1014.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 29 Mar 5:53 pm CDT
Extended Forecast for

Winnebago WI

  • Tonight

    Tonight: Mostly clear, with a low around 42. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60. South southwest wind 5 to 10 mph becoming northeast in the morning.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am.  Mostly cloudy, with a low around 40. East northeast wind 7 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then showers likely after 4pm.  Mostly cloudy, with a high near 58. East northeast wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 1am.  Mostly cloudy, with a low around 31. North wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance Snow

  • Thursday

    Thursday: Rain and snow likely.  Mostly cloudy, with a high near 39. Chance of precipitation is 70%.

    High: 39 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow.  Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 60. South southwest wind 5 to 10 mph becoming northeast in the morning.
Monday Night
Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then showers likely after 4am. Mostly cloudy, with a low around 40. East northeast wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely before 7am, then showers likely and possibly a thunderstorm between 7am and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 58. East northeast wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 31. North wind 9 to 11 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.
Friday
Mostly cloudy, with a high near 45.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
Rain likely. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Saturday Night
Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
6:12 pm CDT Mar 29, 2026
6pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
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