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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed N 5 mph
Barometer 29.67 in (1004.5 mb)
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Last update 14 Apr 9:53 pm CDT
Extended Forecast for

Winnebago WI

Flood Watch April 14, 10:43pm until April 15, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 14, 10:43pm until April 15, 07:00am

    NOW until 7:00am Wed

    Flood Watch

  • Tonight

    Low: 55 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 4pm. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 62. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.

    High: 62 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Patchy fog between 9pm and 11pm. Otherwise, mostly cloudy, with a low around 47. East northeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 61. North northeast wind around 7 mph. Chance of precipitation is 40%.

    High: 61 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. East northeast wind around 5 mph becoming southeast in the evening.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: Rain likely and possibly a thunderstorm before 1pm, then a chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly before midnight. Patchy fog. Otherwise, cloudy, with a steady temperature around 55. East wind around 5 mph becoming light and variable in the evening.
Wednesday
A chance of showers, with thunderstorms also possible after 4pm. Areas of fog before noon. Otherwise, mostly cloudy, with a high near 62. East northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Patchy fog between 9pm and 11pm. Otherwise, mostly cloudy, with a low around 47. East northeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 61. North northeast wind around 7 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 47. East northeast wind around 5 mph becoming southeast in the evening.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 69.
Friday Night
Rain and possibly a thunderstorm. Low around 47. Chance of precipitation is 90%.
Saturday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Saturday Night
A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winnebago WI
 44.08°N 88.53°W (Elev. 787 ft)
Last Update:
10:26 pm CDT Apr 14, 2026
Forecast Valid:
10pm CDT Apr 14, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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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