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

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

heavy rain,mist

55°F

13°C

Humidity 93%
Wind Speed SSE 6 MPH
Barometer 29.24 in (990.18 mb)
Dewpoint 54°F (12°C)
Visibility 3.50 mi
Last update 24 Dec 01:55 AM PST
Extended Forecast for

Trinidad CA

Flood Watch December 24, 02:25am until December 26, 10:00pm
High Wind Watch December 25, 12:00am until December 25, 07:00pm
High Wind Warning until December 24, 09:00am
Click here for hazard details and duration
Flood Watch
High Wind Watch
High Wind Warning
  •  
    Flood Watch December 24, 02:25am until December 26, 10:00pm
    High Wind Warning until December 24, 09:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 47 °F

    Rain and
    Windy

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 4pm, then rain likely. High near 56. Windy, with a south southeast wind 21 to 31 mph decreasing to 10 to 20 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Rain and
    Windy

  • Wednesday Night

    Wednesday Night: Rain, with thunderstorms also possible after 4am. Low around 49. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Rain and
    Breezy

  • Christmas Day

    Christmas Day: Rain and possibly a thunderstorm. High near 53. Very windy, with a south southeast wind 30 to 34 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain and Very
    Windy

  • Thursday Night

    Thursday Night: Rain. Low around 47. Windy, with a south southeast wind 23 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain and
    Windy

  • Friday

    Friday: Rain. High near 51. Breezy, with a south wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Overnight
Rain, with thunderstorms also possible after 4am. Low around 47. Windy, with a south southeast wind around 30 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 4pm, then rain likely. High near 56. Windy, with a south southeast wind 21 to 31 mph decreasing to 10 to 20 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain, with thunderstorms also possible after 4am. Low around 49. Breezy, with a southeast wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Christmas Day
Rain and possibly a thunderstorm. High near 53. Very windy, with a south southeast wind 30 to 34 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 47. Windy, with a south southeast wind 23 to 25 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 51. Breezy, with a south wind 16 to 21 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Trinidad CA
 41.08°N 124.16°W (Elev. 0 ft)
Last Update:
1:10 am PST Dec 24, 2025
Forecast Valid:
2am PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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