National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

19°F

-7°C

Humidity 74%
Wind Speed S 7 mph
Barometer 30.24 in (1026.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 23 Feb 9:53 pm CST
Extended Forecast for

Eureka WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Light south wind increasing to 5 to 10 mph after midnight.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow likely with a chance of flurries before 3pm, then a slight chance of snow between 3pm and 4pm. Mostly cloudy, with a high near 35. South wind 11 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 11. West northwest wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 25. West northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 25 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 11. West northwest wind around 5 mph becoming calm in the evening.

    Low: 11 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before noon. Partly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 17. Light south wind increasing to 5 to 10 mph after midnight.
Tuesday
Snow likely with a chance of flurries before 3pm, then a slight chance of snow between 3pm and 4pm. Mostly cloudy, with a high near 35. South wind 11 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Tuesday Night
Partly cloudy, with a low around 11. West northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Wednesday
Sunny, with a high near 25. West northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 11. West northwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of snow before noon. Partly sunny, with a high near 34.
Thursday Night
Mostly clear, with a low around 23.
Friday
Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 23.
Saturday
A 20 percent chance of snow before noon. Partly sunny, with a high near 31.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 25.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 11.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 30.
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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:
10:11 pm CST Feb 23, 2026
Forecast Valid:
10pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation