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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fog/Mist

54°F

12°C

Humidity 97%
Wind Speed N 7 mph
Barometer 29.76 in (1007.5 mb)
Dewpoint 53°F (12°C)
Visibility 2.00 mi
Wind Chill52°F (11°C)
Last update 16 Apr 8:53 am CDT
Extended Forecast for

Eureka WI

Dense Fog Advisory April 16, 09:14am until April 16, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory April 16, 09:14am until April 16, 10:00am

    NOW until 10:00am Thu

    Dense Fog Advisory

  • Today

    High: 68 °F

    Chance
    Showers and
    Patchy Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. South southeast wind 3 to 7 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 77. South southeast wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.

    High: 77 °F

    Patchy Fog
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 39. South wind around 14 mph becoming west after midnight. Winds could gust as high as 24 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. West wind 14 to 18 mph, with gusts as high as 29 mph.

    High: 47 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Today
A chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 11am. Patchy dense fog before 11am. Otherwise, cloudy early, then gradual clearing, with a high near 68. North northeast wind 3 to 7 mph. Chance of precipitation is 30%.
Tonight
Mostly clear, with a low around 50. 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. Patchy fog before 8am. Otherwise, partly sunny, with a high near 77. South southeast wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 39. South wind around 14 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Mostly sunny, with a high near 47. West wind 14 to 18 mph, with gusts as high as 29 mph.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 48.
Sunday Night
Mostly clear, with a low around 29.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka WI
 44°N 88.83°W (Elev. 797 ft)
Last Update:
8:38 am CDT Apr 16, 2026
Forecast Valid:
9am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation