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

68°F

20°C

Humidity 63%
Wind Speed NW 13 G 20 mph
Barometer 29.94 in (1013.1 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 1:53 pm CDT
Extended Forecast for

Eureka WI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. West northwest wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 51. West northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 74 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Cloudy, then gradually becoming partly cloudy, with a low around 53. East wind 5 to 7 mph becoming light and variable.

    Low: 53 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 75. Northeast wind 8 to 10 mph.

    High: 75 °F

    Sunny

  • Monday Night

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

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 90%.

    Low: 55 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. West northwest wind 11 to 13 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 51. West northwest wind 5 to 8 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 74. Calm wind becoming east 5 to 7 mph in the afternoon.
Sunday Night
Cloudy, then gradually becoming partly cloudy, with a low around 53. East wind 5 to 7 mph becoming light and variable.
Monday
Sunny, with a high near 75. Northeast wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 54.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.
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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:
2:42 pm CDT Jun 20, 2026
Forecast Valid:
2pm CDT Jun 20, 2026-6pm CDT Jun 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