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

55°F

13°C

Humidity NA
Wind Speed WSW 9 MPH
Barometer NA
Dewpoint N/A
Visibility 7.00 mi
Last update NA
Extended Forecast for

Eureka CA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then scattered showers. Patchy fog between 8pm and 2am. Otherwise, mostly cloudy, with a low around 47. Northwest wind around 6 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: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: Scattered showers. Partly sunny, with a high near 57. Light and variable wind becoming west 5 to 9 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

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 42. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 42 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 57. Light and variable wind becoming north northwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. North northeast wind 5 to 15 mph, with gusts as high as 23 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: A slight chance of rain. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of rain. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 11pm, then scattered showers. Patchy fog between 8pm and 2am. Otherwise, mostly cloudy, with a low around 47. Northwest wind around 6 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. Partly sunny, with a high near 57. Light and variable wind becoming west 5 to 9 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 42. West northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 57. Light and variable wind becoming north northwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Thursday Night
Mostly clear, with a low around 42. North northeast wind 5 to 15 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 60. Light and variable wind becoming northwest 5 to 9 mph in the afternoon.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 45.
Saturday
A slight chance of rain. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 59.
Saturday Night
A slight chance of rain. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 45.
Sunday
A chance of rain. Patchy fog before 11am. Otherwise, partly sunny, with a high near 59.
Sunday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Monday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 60.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Eureka CA
 40.8°N 124.17°W (Elev. 3 ft)
Last Update:
2:10 pm PDT Apr 21, 2026
Forecast Valid:
6pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation