Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Mist

45°F

7°C

Humidity 100%
Wind Speed ENE 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 45°F (7°C)
Visibility 1.25 mi
Wind Chill43°F (6°C)
Last update 10 Dec 11:35 PM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Patchy dense fog.  Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Dense
    Fog

  • Thursday

    Thursday: Sunny, with a high near 58. North northwest wind 5 to 8 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. North wind around 5 mph becoming east in the evening.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. East southeast wind 3 to 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. East southeast wind around 5 mph becoming calm  in the morning.

    High: 60 °F

    Sunny

  • Saturday Night

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

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 10am.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 4am.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Thursday
Sunny, with a high near 58. North northwest wind 5 to 8 mph.
Thursday Night
Partly cloudy, with a low around 42. North wind around 5 mph becoming east in the evening.
Friday
Mostly sunny, with a high near 60. Light and variable wind becoming northwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 43. East southeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 60. East southeast wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A slight chance of rain after 10am. Mostly cloudy, with a high near 59.
Sunday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 47.
Monday
Rain, mainly after 10am. Cloudy, with a high near 60.
Monday Night
Rain. Cloudy, with a low around 50.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain. Cloudy, with a low around 47.
Wednesday
Rain. Cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
10:43 pm PST Dec 10, 2025
11pm PST Dec 10, 2025-6pm PST Dec 17, 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