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

44°F

7°C

Humidity 76%
Wind Speed N 9 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 10 Apr 10:53 am CDT
Extended Forecast for

Winnebago WI

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind around 8 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 33. North northwest wind around 5 mph becoming light and variable after midnight.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: A 10 percent chance of showers after 4pm. Increasing clouds, with a high near 56. South southeast wind 5 to 11 mph.

    High: 56 °F

    Sunny then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, with thunderstorms also possible after 10pm. Low around 43. Southeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 68. South southwest wind 15 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Rain

  • Tuesday

    Tuesday: A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.

    High: 70 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind around 8 mph.
Tonight
Mostly clear, with a low around 33. North northwest wind around 5 mph becoming light and variable after midnight.
Saturday
A 10 percent chance of showers after 4pm. Increasing clouds, with a high near 56. South southeast wind 5 to 11 mph.
Saturday Night
Showers, with thunderstorms also possible after 10pm. Low around 43. Southeast wind 11 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 68. South southwest wind 15 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%.
Sunday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 58.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 73.
Monday Night
Rain and possibly a thunderstorm. Low around 56. Chance of precipitation is 80%.
Tuesday
A chance of rain, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 49. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Partly sunny, with a high near 63.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 46.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 70.
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:
10:52 am CDT Apr 10, 2026
Forecast Valid:
11am CDT Apr 10, 2026-6pm CDT Apr 16, 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