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

MIDDLE PEAK (MDEC1)

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

46°F

8°C

Humidity	100%
Wind Speed	SSE 19 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	25 Dec 03:36 AM PST

More Information:

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

Extended Forecast for

3 Miles SW Kentfield CA

Flood Watch December 25, 04:30am until December 26, 10:00pm

Wind Advisory December 25, 04:30am until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 04:30am until December 26, 10:00pm
Wind Advisory December 25, 04:30am until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 48 °F
Severe
Thunderstorms
and Windy
Christmas Day
High: 50 °F
Severe
Thunderstorms
and Windy
Thursday Night
Low: 49 °F
Severe
Thunderstorms
and Windy
then Rain
Likely and
Breezy
Friday
High: 51 °F
Rain and
Breezy
Friday Night
Low: 45 °F
Chance Rain
Saturday
High: 51 °F
Slight Chance
Rain
Saturday Night
Low: 41 °F
Mostly Clear
Sunday
High: 50 °F
Mostly Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 48. Windy, with a south southwest wind around 34 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. 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 50. Windy, with a south southwest wind 23 to 30 mph, with gusts as high as 48 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 likely after 10pm. Some of the storms could be severe. Steady temperature around 49. Windy, with a southwest wind 26 to 30 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain. High near 51. Breezy, with a south wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 45. West northwest wind 10 to 14 mph, with gusts as high as 22 mph. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain. Mostly sunny, with a high near 51.

Saturday Night

Mostly clear, with a low around 41.

Sunday

Mostly sunny, with a high near 50.

Sunday Night

Mostly clear, with a low around 40.

Monday

Sunny, with a high near 51.

Monday Night

Mostly clear, with a low around 41.