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 SSE 3 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 52°F (11°C)
Visibility 6.00 mi
Last update 09 Dec 06:15 PM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59. Northwest wind 3 to 7 mph.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. North northwest wind 3 to 5 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Light east northeast wind.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60. East northeast wind around 6 mph becoming north in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. Calm wind.
Wednesday
Mostly sunny, with a high near 59. Northwest wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 46. North northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 57. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 46. Light east northeast wind.
Friday
Mostly sunny, with a high near 60. East northeast wind around 6 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 47.
Sunday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 58.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 48.
Monday
Rain. Cloudy, with a high near 57.
Monday Night
Rain. Patchy fog. Otherwise, cloudy, with a low around 50.
Tuesday
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.99°N 124.11°W (Elev. 39 ft)
1:10 pm PST Dec 9, 2025
6pm PST Dec 9, 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