Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Hazardous Weather Conditions

Current conditions at

Arcata / Eureka, Arcata Airport (KACV)

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

Rain

48°F

9°C

Humidity	87%
Wind Speed	S 6 MPH
Barometer	29.5 in (998.99 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Wind Chill	45°F (7°C)
Last update	25 Dec 07:20 AM PST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles NNW Trinidad CA

Flood Watch December 25, 07:39am until December 26, 10:00pm

Wind Advisory until December 25, 02:00pm

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 07:39am until December 26, 10:00pm
Wind Advisory until December 25, 02:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 51 °F
Showers and
Very Windy
Tonight
Low: 43 °F
Rain and
Windy
Friday
High: 50 °F
Rain and
Windy
Friday Night
Low: 39 °F
Rain then
Chance Rain
Saturday
High: 49 °F
Slight Chance
Rain
Saturday Night
Low: 37 °F
Mostly Cloudy
Sunday
High: 51 °F
Partly Sunny
Sunday Night
Low: 39 °F
Partly Cloudy

Detailed Forecast

Christmas Day

Showers and possibly a thunderstorm before 10am, then rain between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 51. Very windy, with a south wind 31 to 36 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain. Low around 43. Windy, with a south wind 18 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain. High near 50. Windy, with a southeast wind 14 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain, mainly before 10pm. Low around 39. North wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A slight chance of rain before 10am, then a slight chance of showers after 10am. Mostly sunny, with a high near 49. North wind 6 to 10 mph. Chance of precipitation is 20%.

Saturday Night

Mostly cloudy, with a low around 37. Northeast wind 7 to 9 mph.

Sunday

Partly sunny, with a high near 51.

Sunday Night

Partly cloudy, with a low around 39.

Monday

Sunny, with a high near 54.

Monday Night

Partly cloudy, with a low around 41.

Tuesday

Sunny, with a high near 55.