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

26°F

-3°C

Humidity 78%
Wind Speed W 8 mph
Barometer 29.46 in (998.8 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 25 Feb 12:53 am CST
Extended Forecast for

Eureka WI

  • Overnight

    Overnight: Partly cloudy, with a low around 14. West northwest wind around 14 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of flurries between 8am and 9am. Mostly sunny, with a high near 21. West northwest wind 7 to 14 mph, with gusts as high as 23 mph.

    High: 21 °F

    Chance
    Flurries

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 9. West northwest wind around 6 mph becoming calm in the evening.

    Low: 9 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of snow before 3pm, then a slight chance of rain and snow. Partly sunny, with a high near 37. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Southwest wind 6 to 8 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °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 10.

    Low: 10 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 14. West northwest wind around 14 mph, with gusts as high as 23 mph.
Wednesday
A chance of flurries between 8am and 9am. Mostly sunny, with a high near 21. West northwest wind 7 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 9. West northwest wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of snow before 3pm, then a slight chance of rain and snow. Partly sunny, with a high near 37. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 26. Southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 19.
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 10.
Sunday
Mostly sunny, with a high near 25.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 38.
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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:
12:28 am CST Feb 25, 2026
Forecast Valid:
12am CST Feb 25, 2026-6pm CST Mar 3, 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