Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

Lat: 40.97806°NLon: 124.10861°WElev: 217.0ft.

Mist

52°F

11°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 52°F (11°C)
Visibility 1.25 mi
Last update 10 Dec 12:35 AM PST
Extended Forecast for

5 Miles E Arcata/Eureka Airport CA

  • Overnight

    Overnight: Patchy fog.  Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 1am.  Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Thursday

    Thursday: Sunny, with a high near 59. Calm wind.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Light east wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Light and variable wind.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 45. Calm wind.
Wednesday
Mostly sunny, with a high near 60. Light and variable wind.
Wednesday Night
Patchy fog before 1am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Thursday
Sunny, with a high near 59. Calm wind.
Thursday Night
Mostly clear, with a low around 45. Light east wind.
Friday
Sunny, with a high near 62. Light and variable wind.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 61.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A chance of showers, mainly before 4pm. Partly sunny, with a high near 58.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48.
Monday
Showers. Mostly cloudy, with a high near 57.
Monday Night
Showers. Cloudy, with a low around 50.
Tuesday
Showers likely. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Arcata/Eureka Airport CA
 40.99°N 124.02°W (Elev. 797 ft)
10:31 pm PST Dec 9, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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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