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.

Mostly Cloudy

29°F

-2°C

Humidity 72%
Wind Speed S 9 mph
Barometer 30.42 in (1031.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 2 Mar 8:53 am CST
Extended Forecast for

Eureka WI

  • Today

    Today: Sunny, with a high near 42. South wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. South wind around 6 mph becoming calm after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a high near 44. Calm wind. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 47. Calm wind becoming east around 6 mph in the morning.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: Rain, mainly after noon. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Chance Rain
    then Rain

Detailed Forecast

Today
Sunny, with a high near 42. South wind 7 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 27. South wind around 6 mph becoming calm after midnight.
Tuesday
A chance of snow before 9am, then a chance of rain between 9am and noon. Mostly cloudy, with a high near 44. Calm wind. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 27. Calm wind.
Wednesday
A 30 percent chance of rain, mainly after noon. Mostly sunny, with a high near 47. Calm wind becoming east around 6 mph in the morning.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 36.
Friday
Rain, mainly after noon. High near 57. Chance of precipitation is 80%.
Friday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 70%.
Saturday
A 20 percent chance of rain. Mostly cloudy, with a high near 54.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
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:
8:25 am CST Mar 2, 2026
Forecast Valid:
8am CST Mar 2, 2026-6pm CDT Mar 8, 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