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

Arcata / Eureka, Arcata Airport (KACV)

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

Overcast

48°F

9°C

Humidity 89%
Wind Speed ESE 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 21 Apr 11:53 PM PDT
Extended Forecast for

Arcata/Eureka Airport CA

  • Overnight

    Overnight: A 30 percent chance of showers. Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 8am. Mostly sunny, with a high near 56. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 56 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. West northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 56. Light and variable wind becoming north northwest 8 to 13 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. North northwest wind 8 to 13 mph becoming light northeast after midnight. Winds could gust as high as 18 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of rain. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 46. Calm wind.
Wednesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 56. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 40. West northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 56. Light and variable wind becoming north northwest 8 to 13 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. North northwest wind 8 to 13 mph becoming light northeast after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 56. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 44.
Saturday
A slight chance of showers. Patchy fog before 11am. Otherwise, mostly sunny, with a high near 56.
Saturday Night
A slight chance of rain. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 45.
Sunday
A chance of rain, mainly before 11am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 57.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 43.
Monday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 58.
Monday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 44.
Tuesday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arcata/Eureka Airport CA
 40.97°N 124.1°W (Elev. 197 ft)
Last Update:
12:11 am PDT Apr 22, 2026
Forecast Valid:
12am PDT Apr 22, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation