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.

Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed N 3 mph
Barometer 29.77 in (1007.8 mb)
Dewpoint 55°F (13°C)
Visibility 5.00 mi
Last update 15 Apr 12:53 pm CDT
Extended Forecast for

3 Miles ESE Winnebago WI

  • This Afternoon

    This Afternoon: A 50 percent chance of rain and thunderstorms, mainly after 2pm. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 56. Northeast wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Chance
    T-storms and
    Patchy Fog

  • Tonight

    Tonight: Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Patchy fog. Otherwise, cloudy, with a low around 47. North northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain Likely
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of rain and thunderstorms before 10am, then a slight chance of rain between 10am and 11am. Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. Northeast wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 40%.

    High: 57 °F

    Chance Rain
    and Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. South southeast wind 5 to 8 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of rain after 1pm. Partly sunny, with a high near 64. South southeast wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 39. Chance of precipitation is 100%.

    Low: 39 °F

    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 47. Breezy.

    High: 47 °F

    Chance Rain
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of rain and thunderstorms, mainly after 2pm. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 56. Northeast wind around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Patchy fog. Otherwise, cloudy, with a low around 47. North northeast wind around 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of rain and thunderstorms before 10am, then a slight chance of rain between 10am and 11am. Areas of fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. Northeast wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 46. South southeast wind 5 to 8 mph.
Friday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 64. South southeast wind 10 to 18 mph, with gusts as high as 28 mph.
Friday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 39. Chance of precipitation is 100%.
Saturday
A 30 percent chance of rain, mainly before 1pm. Partly sunny, with a high near 47. Breezy.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Winnebago WI
 44.03°N 88.44°W (Elev. 748 ft)
Last Update:
1:22 pm CDT Apr 15, 2026
Forecast Valid:
1pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation