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.

Mostly Cloudy

38°F

3°C

Humidity 43%
Wind Speed NW 5 mph
Barometer 30.23 in (1024.6 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Apr 9:53 pm CDT
Extended Forecast for

Eureka WI

  • Tonight

    Tonight: Clear, with a low around 25. North wind around 6 mph becoming calm after midnight.

    Low: 25 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 53. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. South wind around 10 mph, with gusts as high as 21 mph.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 72. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41. East northeast wind 3 to 6 mph.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

Detailed Forecast

Tonight
Clear, with a low around 25. North wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 53. Light south southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 38. South wind around 10 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 72. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 41. East northeast wind 3 to 6 mph.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 76.
Thursday Night
Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 43.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 61.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 60.
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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:
8:37 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 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