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

39°F

4°C

Humidity 60%
Wind Speed NW 3 mph
Barometer 30.15 in (1022.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 3 Mar 11:53 am CST
Extended Forecast for

Winnebago WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 44. Calm wind.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 50. Calm wind becoming southeast around 5 mph.

    High: 50 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Increasing clouds, with a low around 34. Light and variable wind.

    Low: 34 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 44. Northeast wind 5 to 7 mph.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight. Cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain. High near 56. Chance of precipitation is 100%.

    High: 56 °F

    Rain Likely
    then Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 51.

    High: 51 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. Calm wind.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 29. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 50. Calm wind becoming southeast around 5 mph.
Wednesday Night
A 20 percent chance of rain after midnight. Increasing clouds, with a low around 34. Light and variable wind.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 44. Northeast wind 5 to 7 mph.
Thursday Night
A 20 percent chance of rain after midnight. Cloudy, with a low around 36.
Friday
Rain. High near 56. Chance of precipitation is 100%.
Friday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 41. Chance of precipitation is 80%.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 58.
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:
12:21 pm CST Mar 3, 2026
Forecast Valid:
12pm CST Mar 3, 2026-6pm CDT Mar 9, 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