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

12°F

-11°C

Humidity 70%
Wind Speed SW 3 mph
Barometer 29.80 in (1011.7 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 25 Feb 7:53 pm CST
Extended Forecast for

Eureka WI

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 12. Calm wind.

    Low: 12 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow between 8am and 10am. Mostly cloudy, with a high near 37. Light south southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Southwest wind around 8 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. West wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 27.

    High: 27 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a steady temperature around 12. Calm wind.
Thursday
A slight chance of snow between 8am and 10am. Mostly cloudy, with a high near 37. Light south southwest wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 26. Southwest wind around 8 mph.
Friday
Partly sunny, with a high near 50. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 20. West wind 8 to 11 mph, with gusts as high as 21 mph.
Saturday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 27.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 12.
Monday
Mostly sunny, with a high near 34.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Tuesday
A 30 percent chance of snow. Mostly sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 44.
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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:
7:51 pm CST Feb 25, 2026
Forecast Valid:
8pm CST Feb 25, 2026-6pm CST Mar 4, 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