National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

15°F

-9°C

Humidity 42%
Wind Speed W 10 mph
Barometer 29.91 in (1015.5 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 2 Jan 1:53 pm CST
Extended Forecast for

Eureka WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 17. West wind 7 to 9 mph.

    High: 17 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. West northwest wind 3 to 6 mph.

    Low: 9 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow between 9am and 3pm. Cloudy, with a high near 22. West wind 3 to 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 22 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3. West wind around 6 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 25. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 25 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Snow likely before 3am, then a slight chance of snow and freezing rain. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.

    Low: 17 °F

    Snow Likely
    then Slight
    Chance Wintry
    Mix

  • Monday

    Monday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 36.

    High: 36 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 17. West wind 7 to 9 mph.
Tonight
Mostly cloudy, with a low around 9. West northwest wind 3 to 6 mph.
Saturday
A chance of snow between 9am and 3pm. Cloudy, with a high near 22. West wind 3 to 7 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 3. West wind around 6 mph becoming calm in the evening.
Sunday
Increasing clouds, with a high near 25. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Snow likely before 3am, then a slight chance of snow and freezing rain. Mostly cloudy, with a low around 17. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 33.
Monday Night
Patchy fog between 2am and 3am. Otherwise, mostly cloudy, with a low around 23.
Tuesday
A 30 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
A 20 percent chance of rain. Mostly cloudy, with a high near 39.
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:
2:12 pm CST Jan 2, 2026
Forecast Valid:
2pm CST Jan 2, 2026-6pm CST Jan 8, 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