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

17°F

-8°C

Humidity 59%
Wind Speed NE 12 mph
Barometer 30.27 in (1027.6 mb)
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 3 Feb 12:53 pm CST
Extended Forecast for

Eureka WI

  • This Afternoon

    This Afternoon: Sunny, with a steady temperature around 20. North wind 5 to 8 mph becoming calm.

    High: 20 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 4. Calm wind.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 25. Calm wind becoming west northwest around 5 mph.

    High: 25 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 9. Calm wind becoming southwest around 6 mph after midnight.

    Low: 9 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow. Mostly cloudy, with a high near 33. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 33 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A slight chance of snow before 3am, then a slight chance of snow and freezing rain. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Snow then
    Slight Chance
    Wintry Mix

  • Friday

    Friday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

This Afternoon
Sunny, with a steady temperature around 20. North wind 5 to 8 mph becoming calm.
Tonight
Partly cloudy, with a low around 4. Calm wind.
Wednesday
Sunny, with a high near 25. Calm wind becoming west northwest around 5 mph.
Wednesday Night
Increasing clouds, with a low around 9. Calm wind becoming southwest around 6 mph after midnight.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 33. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of snow before 3am, then a slight chance of snow and freezing rain. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 7.
Saturday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 22.
Saturday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 25.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 30.
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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:
12:01 pm CST Feb 3, 2026
Forecast Valid:
1pm CST Feb 3, 2026-6pm CST Feb 9, 2026
 
Forecast Discussion
 
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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