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

16°F

-9°C

Humidity 54%
Wind Speed NW 15 mph
Barometer 29.67 in (1006.8 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 25 Feb 10:53 am CST
Extended Forecast for

Eureka WI

  • Today

    Today: Sunny, with a high near 21. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 21 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 9. West northwest wind around 6 mph becoming calm in the evening.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow after 3pm. Partly sunny, 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

    Mostly Cloudy
    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. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.

    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

  • Sunday

    Sunday: Mostly sunny, with a high near 25.

    High: 25 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 21. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.
Tonight
Partly cloudy, with a low around 9. West northwest wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of rain and snow after 3pm. Partly sunny, 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 6 to 8 mph.
Friday
Mostly sunny, with a high near 50. Southwest wind 8 to 15 mph, with gusts as high as 25 mph.
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:
11:11 am CST Feb 25, 2026
Forecast Valid:
11am 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