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

Eureka WFO (EKA01)

Lat: 40.8098°NLon: 124.1602°WElev: 20.0ft.

Mist

53°F

12°C

Humidity NA
Wind Speed N 0 MPH
Barometer NA
Dewpoint N/A
Visibility 5.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • Overnight

    Overnight: Areas of fog.  Otherwise, mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Areas Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 60. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Areas of fog.  Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Areas Fog

  • Thursday

    Thursday: Patchy fog before 1pm, then patchy fog after 4pm.  Otherwise, mostly sunny, with a high near 60. Calm wind.

    High: 60 °F

    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog before 7pm.  Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog
    then Partly
    Cloudy

  • Friday

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

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 46. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 60. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Areas of fog. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Thursday
Patchy fog before 1pm, then patchy fog after 4pm. Otherwise, mostly sunny, with a high near 60. Calm wind.
Thursday Night
Patchy fog before 7pm. Otherwise, partly cloudy, with a low around 43. Calm wind.
Friday
Mostly sunny, with a high near 62. Light and variable wind.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
A chance of showers. Mostly cloudy, with a high near 60.
Sunday Night
Showers likely. Mostly cloudy, with a low around 48.
Monday
Showers. Cloudy, with a high near 60.
Monday Night
Showers. Cloudy, with a low around 50.
Tuesday
Showers likely. Mostly cloudy, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.87°N 124.07°W (Elev. 194 ft)
1:10 am PST Dec 10, 2025
3am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database