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

52°F

11°C

Humidity 77%
Wind Speed SW 13 G 24 mph
Barometer 29.90 in (1012.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 12 Apr 4:53 am CDT
Extended Forecast for

Winnebago WI

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 47. South southeast wind around 11 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely before 4pm, then a slight chance of showers. Patchy fog between 8am and noon. Otherwise, mostly cloudy, with a high near 69. South southwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers between 8pm and 10pm. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 58. Southwest wind 14 to 21 mph, with gusts as high as 32 mph.

    Low: 58 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday

    Monday: A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. West southwest wind 8 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 30%.

    High: 72 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers and thunderstorms before 4am, then a chance of showers. Low around 56. South southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 70.

    High: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.

    Low: 49 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Rain Likely

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 47. South southeast wind around 11 mph, with gusts as high as 20 mph.
Sunday
Showers and thunderstorms likely before 4pm, then a slight chance of showers. Patchy fog between 8am and noon. Otherwise, mostly cloudy, with a high near 69. South southwest wind 11 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers between 8pm and 10pm. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 58. Southwest wind 14 to 21 mph, with gusts as high as 32 mph.
Monday
A slight chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 72. West southwest wind 8 to 10 mph becoming south southeast in the afternoon. Chance of precipitation is 30%.
Monday Night
Showers and thunderstorms before 4am, then a chance of showers. Low around 56. South southeast wind around 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 70.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 49. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Wednesday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 49.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 72.
Friday Night
Rain and possibly a thunderstorm. Low around 46. Chance of precipitation is 80%.
Saturday
A 50 percent chance of rain and thunderstorms. Mostly cloudy, 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:
1:46 am CDT Apr 12, 2026
Forecast Valid:
5am CDT Apr 12, 2026-6pm CDT Apr 18, 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