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

4°F

-16°C

Humidity 73%
Wind Speed W 7 mph
Barometer 30.00 in (1018.6 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Wind Chill-8°F (-22°C)
Last update 17 Mar 4:53 am CDT
Extended Forecast for

Eureka WI

  • Today

    Today: Increasing clouds, with a high near 21. West northwest wind around 8 mph.

    High: 21 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after 10pm. Low around 16. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow before 7am. Mostly cloudy, with a high near 38. Southwest wind 8 to 10 mph.

    High: 38 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 31. Southwest wind around 6 mph.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 40. Light and variable wind becoming east southeast around 5 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 21. West northwest wind around 8 mph.
Tonight
Snow, mainly after 10pm. Low around 16. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday
A 30 percent chance of snow before 7am. Mostly cloudy, with a high near 38. Southwest wind 8 to 10 mph.
Wednesday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 31. Southwest wind around 6 mph.
Thursday
Partly sunny, with a high near 40. Light and variable wind becoming east southeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
Mostly cloudy, with a high near 43.
Friday Night
Mostly cloudy, with a low around 31.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Sunday
A slight chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Sunny, with a high near 40.
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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:
3:56 am CDT Mar 17, 2026
Forecast Valid:
5am CDT Mar 17, 2026-6pm CDT Mar 23, 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