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

51°F

11°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 51°F (11°C)
Visibility 6.00 mi
Last update 09 Dec 09:04 PM PST
Extended Forecast for

2 Miles NNW Arcata CA

  • Tonight

    Tonight: Patchy fog.  Otherwise, mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 61. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

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

    Low: 43 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am.  Otherwise, sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 62. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 4am.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 45. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 61. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 59. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 42. Calm wind.
Friday
Mostly sunny, with a high near 62. Light and variable wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A slight chance of rain after 4am. Mostly cloudy, with a low around 44.
Sunday
A chance of rain, mainly after 10am. Mostly cloudy, with a high near 59.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
Rain. Cloudy, with a high near 58.
Monday Night
Rain. Patchy fog. Otherwise, cloudy, with a low around 47.
Tuesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Arcata CA
 40.89°N 124.08°W (Elev. 177 ft)
1:10 pm PST Dec 9, 2025
9pm 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