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

36°F

2°C

Humidity 59%
Wind Speed SW 5 mph
Barometer 29.97 in (1016.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 18 Apr 9:53 pm CDT
Extended Forecast for

Eureka WI

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow showers before 10am. Partly sunny, with a high near 46. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 46 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. North northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 52. Light south wind becoming south southwest 5 to 10 mph in the morning.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Tuesday Night

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

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 31. West wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of snow showers before 10am. Partly sunny, with a high near 46. Northwest wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 28. North northwest wind 5 to 9 mph becoming calm after midnight.
Monday
Sunny, with a high near 52. Light south wind becoming south southwest 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 41. South wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 75.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 59.
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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:
10:22 pm CDT Apr 18, 2026
Forecast Valid:
10pm CDT Apr 18, 2026-6pm CDT Apr 25, 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