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

4 Miles N Van Dyne 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: 54 °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 66. North northeast wind around 7 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Rain Likely
    and Areas
    Dense Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. South southeast wind 3 to 7 mph.

    Low: 49 °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 74. South southeast wind 10 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%.

    High: 74 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 39. South wind around 15 mph becoming west after midnight. Winds could gust as high as 26 mph.  Chance of precipitation is 90%.

    Low: 39 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm.  Mostly sunny, with a high near 47.

    High: 47 °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 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 40 percent chance of rain and thunderstorms. Areas of dense fog. Otherwise, cloudy, with a steady temperature around 54. North northeast wind around 5 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 66. North northeast wind around 7 mph. 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 49. South southeast wind 3 to 7 mph.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 74. 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 39. South wind around 15 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 47.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Van Dyne WI
 43.93°N 88.54°W (Elev. 801 ft)
4:41 am CDT Apr 16, 2026
4am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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