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

49°F

9°C

Humidity 66%
Wind Speed SW 7 mph
Barometer 30.30 in (1026.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Oct 11:53 pm CDT
Extended Forecast for

3 Miles W Eureka WI

  • Overnight

    Overnight: Clear, with a low around 42. South southwest wind 3 to 7 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. South southwest wind around 5 mph becoming calm in the morning.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Light southeast wind.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 67.

    High: 67 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Overnight
Clear, with a low around 42. South southwest wind 3 to 7 mph.
Monday
Sunny, with a high near 63. South southwest wind around 5 mph becoming calm in the morning.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 41. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64. Light and variable wind.
Tuesday Night
Mostly clear, with a low around 43. Light southeast wind.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 47.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 67.
Thursday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 47.
Friday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 51.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Eureka WI
 44.01°N 88.89°W (Elev. 787 ft)
Last Update:
12:01 am CDT Oct 19, 2026
Forecast Valid:
12am CDT Oct 19, 2026-6pm CDT Oct 25, 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