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

82°F

28°C

Humidity 53%
Wind Speed SW 8 G 18 mph
Barometer 29.71 in (1004.9 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 12 Oct 1:53 pm CDT
Extended Forecast for

Eureka WI

  • Columbus Day

    Columbus Day: Sunny, with a high near 83. Southwest wind around 9 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 64. South wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 73. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 73 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 52. Light north wind. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. North wind 3 to 6 mph.

    High: 65 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely after 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

    High: 61 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy.

    High: 56 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Sunny, with a high near 83. Southwest wind around 9 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 64. South wind 5 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 73. West northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 52. Light north wind. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 65. North wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Showers likely after 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 56. Breezy.
Friday Night
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 31.
Saturday
Widespread frost. Otherwise, sunny, with a high near 58.
Saturday Night
Clear, with a low around 37.
Sunday
Sunny, with a high near 63.
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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:
1:56 pm CDT Oct 12, 2026
Forecast Valid:
2pm CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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