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.

Overcast

32°F

0°C

Humidity 66%
Wind Speed Calm
Barometer 30.15 in (1022.1 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 3 Mar 5:53 am CST
Extended Forecast for

Eureka WI

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 45. Calm wind.

    High: 45 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming south southeast around 5 mph.

    High: 52 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after midnight. Increasing clouds, with a low around 33. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 33 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Mostly cloudy, with a high near 48. East northeast wind 5 to 8 mph.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Rain. High near 59. Chance of precipitation is 100%.

    High: 59 °F

    Rain Likely
    then Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 57.

    High: 57 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 45. Calm wind.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 27. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 52. Calm wind becoming south southeast around 5 mph.
Wednesday Night
A 20 percent chance of rain after midnight. Increasing clouds, with a low around 33. Calm wind becoming east northeast around 5 mph after midnight.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 48. East northeast wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Rain. High near 59. Chance of precipitation is 100%.
Friday Night
Rain and possibly a thunderstorm. Low around 42. Chance of precipitation is 80%.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 57.
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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:
5:21 am CST Mar 3, 2026
Forecast Valid:
6am CST Mar 3, 2026-6pm CDT Mar 9, 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