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

85°F

29°C

Humidity 45%
Wind Speed S 18 G 29 mph
Barometer 29.96 in (1013.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 4 Oct 3:53 pm CDT
Extended Forecast for

Eureka WI

  • Tonight

    Tonight: Clear, with a low around 63. South wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. South southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 58. South wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 58 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Northwest wind around 7 mph. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 47. Northwest wind 3 to 5 mph.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 63. South wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 84. South southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 33 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 58. South wind 9 to 13 mph, with gusts as high as 24 mph.
Monday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Northwest wind around 7 mph. Chance of precipitation is 40%.
Monday Night
A 40 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 47. Northwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 70.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Eureka WI
 43.98°N 88.84°W (Elev. 801 ft)
Last Update:
4:12 pm CDT Oct 4, 2025
Forecast Valid:
4pm CDT Oct 4, 2025-6pm CDT Oct 11, 2025
 
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