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

BEN LOMOND (BNDC1)

Lat: 37.13094°NLon: 122.17261°WElev: 2598.0ft.

47°F

8°C

Humidity	100%
Wind Speed	SW 17 MPH
Barometer	NA
Dewpoint	47°F (8°C)
Visibility	NA
Wind Chill	40°F (4°C)
Last update	25 Dec 03:50 AM PST

More Information:

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

Extended Forecast for

7 Miles WNW Boulder Creek CA

Flood Watch December 25, 04:39am until December 26, 10:00pm

Wind Advisory December 25, 04:39am until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 04:39am until December 26, 10:00pm
Wind Advisory December 25, 04:39am until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 53 °F
Severe
Thunderstorms
and Breezy
Christmas Day
High: 55 °F
Severe
Thunderstorms
and Breezy
Thursday Night
Low: 51 °F
Severe
Thunderstorms
then Rain
Friday
High: 54 °F
Rain
Friday Night
Low: 46 °F
Rain Likely
then Chance
Rain
Saturday
High: 56 °F
Chance Rain
Saturday Night
Low: 42 °F
Mostly Clear
Sunday
High: 57 °F
Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could be severe. Steady temperature around 53. Breezy, with a south wind around 23 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Christmas Day

Showers and possibly a thunderstorm before 7am, then rain between 7am and 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 55. Breezy, with a southwest wind 15 to 22 mph becoming south southeast in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Showers and possibly a thunderstorm before 10pm, then rain, mainly after 10pm. Some of the storms could be severe. Steady temperature around 51. Southwest wind 11 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

Rain. High near 54. South wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 46. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday

A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 56.

Saturday Night

Mostly clear, with a low around 42.

Sunday

Sunny, with a high near 57.

Sunday Night

Clear, with a low around 42.

Monday

Sunny, with a high near 61.

Monday Night

Clear, with a low around 44.