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

BEN LOMOND (BNDC1)

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

46°F

8°C

Humidity	100%
Wind Speed	SW 11 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Wind Chill	41°F (5°C)
Last update	25 Dec 08:50 AM PST

More Information:

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

Extended Forecast for

9 Miles W Boulder Creek CA

Flood Watch December 25, 09:50am until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 25, 09:50am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Christmas Day
High: 56 °F
Severe
Thunderstorms
and Breezy
Tonight
Low: 54 °F
Severe
Thunderstorms
then Rain
Friday
High: 55 °F
Rain
Friday Night
Low: 48 °F
Rain Likely
then Chance
Rain
Saturday
High: 55 °F
Chance Rain
Saturday Night
Low: 44 °F
Mostly Clear
Sunday
High: 56 °F
Sunny
Sunday Night
Low: 44 °F
Clear

Detailed Forecast

Christmas Day

Rain before 10am, then showers and possibly a thunderstorm after 10am. Some of the storms could be severe. High near 56. Breezy, with a southwest wind 18 to 25 mph becoming south southeast in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and possibly a thunderstorm before 10pm, then rain, mainly after 10pm. Some of the storms could be severe. Steady temperature around 54. South southwest wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

Rain. High near 55. South wind around 11 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 48. West southwest wind around 5 mph becoming northwest 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. Mostly sunny, with a high near 55. North northwest wind 6 to 8 mph.

Saturday Night

Mostly clear, with a low around 44.

Sunday

Sunny, with a high near 56.

Sunday Night

Clear, with a low around 44.

Monday

Sunny, with a high near 59.

Monday Night

Clear, with a low around 46.