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.

50°F

10°C

Humidity	99%
Wind Speed	SSE 5 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Wind Chill	48°F (9°C)
Last update	24 Dec 06:56 AM PST

More Information:

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

Extended Forecast for

7 Miles NNE San Andreas CA

Flood Watch December 24, 07:32am until December 26, 04:00pm

High Wind Warning until December 25, 04:00pm

Click here for hazard details and duration

Flood Watch

High Wind Warning

Flood Watch December 24, 07:32am until December 26, 04:00pm
High Wind Warning until December 25, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Today
High: 52 °F
Showers
Tonight
Low: 47 °F
Rain and
Breezy
Christmas Day
High: 50 °F
Showers and
Breezy
Thursday Night
Low: 43 °F
Showers
Friday
High: 49 °F
Rain
Friday Night
Low: 37 °F
Rain Likely
then Chance
Rain
Saturday
High: 51 °F
Chance Rain
Saturday Night
Low: 35 °F
Mostly Clear

Detailed Forecast

Today

Rain before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Steady temperature around 52. South southeast wind 13 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tonight

Rain and possibly a thunderstorm. Low around 47. Breezy, with a south southeast wind 18 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Christmas Day

Rain before 10am, then showers and possibly a thunderstorm after 10am. High near 50. Breezy, with a south southeast wind 17 to 22 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm before 1am, then rain after 1am. Low around 43. South wind 17 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

Rain. High near 49. South southeast wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

Saturday

A 30 percent chance of rain, mainly before 10am. Mostly sunny, with a high near 51.

Saturday Night

Mostly clear, with a low around 35.

Sunday

Sunny, with a high near 53.

Sunday Night

Mostly clear, with a low around 37.