National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Current conditions at

Eureka WFO (EKA01)

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

Mostly Cloudy

54°F

12°C

Humidity NA
Wind Speed S 6 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Arcata CA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then scattered showers. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Scattered showers. Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Scattered
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. West northwest wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 58. Light and variable wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 58 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. North northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Saturday

    Saturday: A slight chance of rain after 11am. Areas of fog before 11am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain and
    Areas Fog

  • Saturday Night

    Saturday Night: A slight chance of rain. Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 11pm, then scattered showers. Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 45. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Scattered showers. Patchy fog between 8am and 11am. Otherwise, partly sunny, with a high near 57. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 40. West northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 58. Light and variable wind becoming north northwest 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 40. North northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Friday
Sunny, with a high near 61. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 43.
Saturday
A slight chance of rain after 11am. Areas of fog before 11am. Otherwise, mostly sunny, with a high near 60.
Saturday Night
A slight chance of rain. Patchy fog after 8pm. Otherwise, partly cloudy, with a low around 44.
Sunday
A slight chance of rain. Areas of fog before 11am. Otherwise, mostly sunny, with a high near 59.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 43.
Monday
A chance of rain. Areas of fog. Otherwise, partly sunny, with a high near 60.
Monday Night
A slight chance of rain. Areas of fog. Otherwise, partly cloudy, with a low around 43.
Tuesday
A slight chance of rain. Areas of fog. Otherwise, mostly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arcata CA
 40.89°N 124.08°W (Elev. 177 ft)
Last Update:
2:10 pm PDT Apr 21, 2026
Forecast Valid:
6pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation