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

Flood Watch until December 26, 10:00 PM PST

Current conditions at

ARROYO SECO (ASRC1)

Lat: 36.23548°NLon: 121.47988°WElev: 879.0ft.

53°F

12°C

Humidity	83%
Wind Speed	SE 4 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	25 Dec 04:04 PM PST

More Information:

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

Extended Forecast for

10 Miles NNW Arroyo Seco CA

Flood Watch December 25, 04:36pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 25, 04:36pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Christmas Day
High: 53 °F
Chance
Showers
Tonight
Low: 44 °F
Severe
Thunderstorms
Friday
High: 51 °F
Showers
Likely
Friday Night
Low: 42 °F
Showers
Likely
Saturday
High: 52 °F
Slight Chance
Showers
Saturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 42 °F
Clear

Detailed Forecast

Christmas Day

A 50 percent chance of showers. Cloudy, with a high near 53. South wind around 13 mph, with gusts as high as 29 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Showers likely before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Some of the storms could be severe. Low around 44. South southwest wind 8 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Showers likely, mainly after 4pm. Mostly cloudy, with a high near 51. South southeast wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Showers likely, mainly before 7pm. Mostly cloudy, with a low around 42. South wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

A 20 percent chance of showers. Mostly sunny, with a high near 52. North northwest wind around 7 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday Night

Mostly clear, with a low around 39.

Sunday

Sunny, with a high near 56.

Sunday Night

Clear, with a low around 42.

Monday

Sunny, with a high near 60.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 65.