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Hazardous Weather Conditions

Current conditions at

Wittman Regional Airport (KOSH)

Lat: 43.97°NLon: 88.56°WElev: 801ft.

Fair

48°F

9°C

Humidity 93%
Wind Speed Calm
Barometer 30.38 in (1028.8 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Oct 11:53 pm CDT
Extended Forecast for

Eureka WI

  • Overnight

    Overnight: Areas of fog after 5am. Otherwise, mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Fog

  • Tuesday

    Tuesday: Widespread dense fog before 10am. Otherwise, mostly sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Dense Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Light and variable wind.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 68 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Areas of fog after 5am. Otherwise, mostly clear, with a low around 43. Calm wind.
Tuesday
Widespread dense fog before 10am. Otherwise, mostly sunny, with a high near 66. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 43. Light and variable wind.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 68. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 47. Calm wind.
Thursday
Areas of fog before 10am. Otherwise, sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 47.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 45.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 60.
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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:
12:06 am CDT Oct 20, 2026
Forecast Valid:
12am CDT Oct 20, 2026-6pm CDT Oct 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