National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

53°F

12°C

Humidity 45%
Wind Speed SW 12 G 26 mph
Barometer 29.68 in (1005.7 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 27 Feb 12:53 pm CST
Extended Forecast for

Eureka WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 53. West southwest wind 11 to 14 mph, with gusts as high as 30 mph.

    High: 53 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 17. West wind 8 to 15 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.

    Low: 17 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow, mainly after 11am. High near 25. North northwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 25 °F

    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 8. North wind around 6 mph.

    Low: 8 °F

    Chance Snow
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny, with a high near 25. North northeast wind 3 to 6 mph.

    High: 25 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 10.

    Low: 10 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 53. West southwest wind 11 to 14 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 17. West wind 8 to 15 mph becoming north northwest after midnight. Winds could gust as high as 26 mph.
Saturday
Snow, mainly after 11am. High near 25. North northwest wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Saturday Night
A 30 percent chance of snow before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 8. North wind around 6 mph.
Sunday
Sunny, with a high near 25. North northeast wind 3 to 6 mph.
Sunday Night
Partly cloudy, with a low around 10.
Monday
Mostly sunny, with a high near 37.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26.
Tuesday
A 30 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 43.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 45.
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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:
1:31 pm CST Feb 27, 2026
Forecast Valid:
1pm CST Feb 27, 2026-6pm CST Mar 5, 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