Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Clear

55°F

13°C

Humidity 93%
Wind Speed NW 6 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 09 Dec 03:35 PM PST
Extended Forecast for

Arcata/Eureka Airport CA

  • Tonight

    Tonight: Patchy fog after 7pm.  Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 59. Northwest wind 3 to 7 mph.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. North wind 3 to 5 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. East northeast wind around 6 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60. East northeast wind around 7 mph becoming north in the afternoon.

    High: 60 °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 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 59. Northwest wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 43. North wind 3 to 5 mph.
Thursday
Sunny, with a high near 57. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. East northeast wind around 6 mph.
Friday
Mostly sunny, with a high near 60. East northeast wind around 7 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 43.
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 46.
Monday
Rain. Cloudy, with a high near 58.
Monday Night
Rain. Cloudy, with a low around 47.
Tuesday
Rain likely. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
1:10 pm PST Dec 9, 2025
3pm 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