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.

Overcast

4°F

-16°C

Humidity 52%
Wind Speed SW 12 G 23 mph
Barometer 29.94 in (1017.5 mb)
Dewpoint -10°F (-23°C)
Visibility 10.00 mi
Wind Chill-12°F (-24°C)
Last update 26 Jan 7:53 pm CST
Extended Forecast for

Eureka WI

  • Tonight

    Tonight: A chance of snow between 9pm and 11pm. Mostly cloudy, with a temperature rising to around 10 by midnight. Southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 4 °F⇑

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny and cold, with a high near 9. West northwest wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 9 °F

    Cold

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around -2. West wind 7 to 9 mph.

    Low: -2 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny and cold, with a high near 10. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 10 °F

    Cold

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around -5. Northwest wind 6 to 8 mph.

    Low: -5 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 10.

    High: 10 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of snow between 9pm and 11pm. Mostly cloudy, with a temperature rising to around 10 by midnight. Southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny and cold, with a high near 9. West northwest wind 11 to 18 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around -2. West wind 7 to 9 mph.
Wednesday
Mostly sunny and cold, with a high near 10. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around -5. Northwest wind 6 to 8 mph.
Thursday
Mostly sunny and cold, with a high near 10.
Thursday Night
Partly cloudy, with a low around -4.
Friday
Mostly sunny, with a high near 15.
Friday Night
Partly cloudy, with a low around 3.
Saturday
Sunny, with a high near 21.
Saturday Night
Mostly clear, with a low around 5.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 24.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 28.
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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:
8:06 pm CST Jan 26, 2026
Forecast Valid:
8pm CST Jan 26, 2026-6pm CST Feb 2, 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