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

MIDDLE PEAK (MDEC1)

Lat: 37.92778°NLon: 122.58722°WElev: 2339.0ft.

44°F

7°C

Humidity	100%
Wind Speed	SE 14 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Wind Chill	37°F (3°C)
Last update	25 Dec 03:36 PM PST

More Information:

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

Extended Forecast for

2 Miles SW Kentfield CA

Flood Watch December 25, 04:37pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 25, 04:37pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Christmas Day
High: 50 °F
Severe
Thunderstorms
and Breezy
Tonight
Low: 48 °F
Severe
Thunderstorms
and Breezy
then Chance
Showers
Friday
High: 52 °F
Showers
Friday Night
Low: 43 °F
Chance
Showers
Saturday
High: 52 °F
Slight Chance
Showers
Saturday Night
Low: 38 °F
Mostly Clear
Sunday
High: 51 °F
Mostly Sunny
Sunday Night
Low: 38 °F
Mostly Clear

Detailed Forecast

Christmas Day

Showers and possibly a thunderstorm. Some of the storms could be severe. Steady temperature around 50. Breezy, with a south wind around 22 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 7pm, then showers likely. Some of the storms could be severe. Low around 48. Breezy, with a south southwest wind 18 to 24 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Showers, with thunderstorms also possible after 4pm. High near 52. South wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. West southwest wind around 8 mph becoming north northwest after midnight. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers. Mostly sunny, with a high near 52. North wind around 7 mph.

Saturday Night

Mostly clear, with a low around 38.

Sunday

Mostly sunny, with a high near 51.

Sunday Night

Mostly clear, with a low around 38.

Monday

Sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 38.