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

ARROYO SECO (ASRC1)

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

58°F

14°C

Humidity	91%
Wind Speed	SSW 3 MPH
Barometer	NA
Dewpoint	55°F (13°C)
Visibility	NA
Last update	24 Dec 05:04 AM PST

More Information:

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

Extended Forecast for

6 Miles ENE Arroyo Seco CA

Flood Watch December 24, 05:21am until December 26, 10:00pm

Wind Advisory December 24, 08:00pm until December 25, 10:00am

High Wind Warning December 24, 05:21am until December 24, 08:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

High Wind Warning

Flood Watch December 24, 05:21am until December 26, 10:00pm
High Wind Warning December 24, 05:21am until December 24, 08:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 51 °F
Showers
Wednesday
High: 61 °F
Showers and
Patchy Fog
then Severe
Thunderstorms
Wednesday Night
Low: 49 °F
Severe
Thunderstorms
then Showers
Christmas Day
High: 58 °F
Severe
Thunderstorms
and Patchy
Fog
Thursday Night
Low: 45 °F
Severe
Thunderstorms
Friday
High: 56 °F
Showers
Friday Night
Low: 42 °F
Showers
Likely
Saturday
High: 57 °F
Chance
Showers

Detailed Forecast

Overnight

Showers. Low around 51. Southwest wind around 13 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

Showers, with thunderstorms also possible after 4pm. Some of the storms could be severe. Patchy fog between 7am and 9am. High near 61. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 49. Light and variable wind becoming south 8 to 13 mph in the evening. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Christmas Day

Showers and possibly a thunderstorm. Some of the storms could be severe. Patchy fog before 9am. High near 58. South wind 7 to 16 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 45. South southwest wind 6 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers, with thunderstorms also possible after 4pm. High near 56. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 10pm, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

Saturday

A chance of showers, mainly before 4pm. Partly sunny, with a high near 57.

Saturday Night

A slight chance of showers before 10pm. Mostly clear, with a low around 38.

Sunday

Sunny, with a high near 61.

Sunday Night

Mostly clear, with a low around 40.

Monday

Sunny, with a high near 65.

Monday Night

Mostly clear, with a low around 44.