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

MOUNT ZION (MTZC1)

Lat: 38.39006°NLon: 120.6524°WElev: 2967.0ft.

44°F

7°C

Humidity	98%
Wind Speed	SE 8 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	25 Dec 05:56 AM PST

More Information:

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

Extended Forecast for

9 Miles WSW San Andreas CA

Flood Watch December 25, 06:37am until December 26, 04:00pm

Flood Advisory until December 25, 09:00pm

High Wind Warning December 25, 06:37am until December 25, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Advisory

High Wind Warning

Flood Watch December 25, 06:37am until December 26, 04:00pm
Flood Advisory until December 25, 09:00pm
High Wind Warning December 25, 06:37am until December 25, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 54 °F
Breezy.
Showers then
Showers
Likely
Tonight
Low: 52 °F
Rain and
Breezy
Friday
High: 52 °F
Rain
Friday Night
Low: 42 °F
Rain Likely
Saturday
High: 48 °F
Slight Chance
Rain then
Partly Sunny
Saturday Night
Low: 36 °F
Partly Cloudy
Sunday
High: 47 °F
Mostly Sunny
Sunday Night
Low: 36 °F
Partly Cloudy

Detailed Forecast

Christmas Day

Rain and possibly a thunderstorm before 4pm, then rain likely. High near 54. Breezy, with a south southeast wind 22 to 28 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Rain and possibly a thunderstorm before 1am, then rain likely. Steady temperature around 52. Breezy, with a south southeast wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Rain. High near 52. South southeast wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 42. East southeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Partly sunny, with a high near 48. Light and variable wind becoming northwest around 6 mph in the morning.

Saturday Night

Partly cloudy, with a low around 36.

Sunday

Mostly sunny, with a high near 47.

Sunday Night

Partly cloudy, with a low around 36.

Monday

Mostly sunny, with a high near 49.

Monday Night

Partly cloudy, with a low around 37.