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.

Fair

53°F

12°C

Humidity 66%
Wind Speed Calm
Barometer 29.85 in (1011.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 3:53 pm CDT
Extended Forecast for

Eureka WI

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 34. Light and variable wind.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 62. Southeast wind 5 to 10 mph, with gusts as high as 18 mph.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. South southwest wind 6 to 8 mph becoming north northeast after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 43. North northeast wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 43 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. North northeast wind 6 to 9 mph.

    Low: 24 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 34. Light and variable wind.
Saturday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 62. Southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly cloudy, with a low around 38. South southwest wind 6 to 8 mph becoming north northeast after midnight.
Sunday
A 40 percent chance of rain, mainly before 10am. Mostly cloudy, with a high near 43. North northeast wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. North northeast wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Mostly cloudy, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 40.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka WI
 44°N 88.83°W (Elev. 797 ft)
Last Update:
3:32 pm CDT Mar 20, 2026
Forecast Valid:
4pm CDT Mar 20, 2026-6pm CDT Mar 27, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation