Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog/Mist

54°F

12°C

Humidity 100%
Wind Speed N 3 mph
Barometer 29.69 in (1005.2 mb)
Dewpoint 54°F (12°C)
Visibility 2.50 mi
Last update 16 Apr 3:53 am CDT
Extended Forecast for

3 Miles ESE Winnebago WI

Dense Fog Advisory until April 16, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until April 16, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 51 °F

    Chance Rain
    and Areas
    Dense Fog

  • Thursday

    Thursday: Rain and thunderstorms likely before 11am, then a slight chance of rain between 11am and noon.  Areas of dense fog before 11am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. North northeast wind 5 to 7 mph becoming south southeast in the afternoon.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Rain Likely
    and Areas
    Dense Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Light south southeast wind increasing to 5 to 9 mph in the evening.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 65. South southeast wind 10 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 38. South southeast wind around 18 mph becoming west after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 90%.

    Low: 38 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm.  Mostly sunny, with a high near 44.

    High: 44 °F

    Chance
    Showers

  • 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

Overnight
A 30 percent chance of rain and thunderstorms. Areas of dense fog. Otherwise, cloudy, with a steady temperature around 51. Northeast wind around 6 mph.
Thursday
Rain and thunderstorms likely before 11am, then a slight chance of rain between 11am and noon. Areas of dense fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 57. North northeast wind 5 to 7 mph becoming south southeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 45. Light south southeast wind increasing to 5 to 9 mph in the evening.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 65. South southeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 38. South southeast wind around 18 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 43.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Winnebago WI
 44.03°N 88.44°W (Elev. 748 ft)
1:57 am CDT Apr 16, 2026
4am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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Additional Resources

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