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

40°F

4°C

Humidity 63%
Wind Speed Vrbl 3 mph
Barometer 30.00 in (1017.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 13 Feb 7:53 pm CST
Extended Forecast for

Eureka WI

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Light and variable wind.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 46. Calm wind becoming south around 5 mph in the afternoon.

    High: 46 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. South wind around 6 mph becoming west southwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 46. West wind 3 to 5 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32. South southwest wind 3 to 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 45.

    High: 45 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain and snow. Some thunder is also possible. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Light and variable wind.
Saturday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 46. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 29. South wind around 6 mph becoming west southwest after midnight.
Sunday
Sunny, with a high near 46. West wind 3 to 5 mph.
Sunday Night
Mostly cloudy, with a low around 32. South southwest wind 3 to 8 mph.
Washington's Birthday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 45.
Tuesday Night
Rain and snow. Some thunder is also possible. Low around 35. Chance of precipitation is 80%.
Wednesday
Rain and snow likely, mainly before noon. Some thunder is also possible. Mostly cloudy, with a high near 45. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Thursday
A 40 percent chance of snow. Mostly cloudy, with a high near 37.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 23.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka WI
 44°N 88.83°W (Elev. 797 ft)
Last Update:
7:32 pm CST Feb 13, 2026
Forecast Valid:
8pm CST Feb 13, 2026-6pm CST Feb 20, 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