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

Jolon Hills (PG727)

Lat: 35.88446°NLon: 120.95584°WElev: 1495.0ft.

54°F

12°C

Humidity	95%
Wind Speed	S 16 MPH
Barometer	NA
Dewpoint	52°F (11°C)
Visibility	NA
Last update	24 Dec 05:20 PM PST

More Information:

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

Extended Forecast for

7 Miles SW Lake San Antonio CA

Flood Watch December 24, 05:34pm until December 26, 10:00pm

High Wind Warning December 24, 08:00pm until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

High Wind Warning

Flood Watch December 24, 05:34pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
This Afternoon
High: 60 °F
Severe
Thunderstorms
Tonight
Low: 48 °F
Severe
Thunderstorms
and Breezy
Christmas Day
High: 58 °F
Severe
Thunderstorms
then Showers
and Breezy
Thursday Night
Low: 46 °F
Severe
Thunderstorms
then Showers
Friday
High: 58 °F
Showers
Friday Night
Low: 40 °F
Showers
Likely then
Chance
Showers and
Patchy Fog
Saturday
High: 59 °F
Chance
Showers
Saturday Night
Low: 35 °F
Mostly Clear
then Patchy
Frost and
Patchy Fog

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Some of the storms could be severe. High near 60. South wind around 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could be severe. Low around 48. Breezy, with a south wind 21 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Christmas Day

Showers and possibly a thunderstorm. Some of the storms could be severe. High near 58. Breezy, with a south wind 16 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday Night

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 46. South southwest wind 14 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

Showers. High near 58. South southwest wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Showers likely, mainly before 10pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 40. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 30 percent chance of showers. Mostly sunny, with a high near 59.

Saturday Night

Patchy fog after 4am. Patchy frost after 4am. Otherwise, mostly clear, with a low around 35.

Sunday

Patchy fog before 7am. Patchy frost before 8am. Otherwise, sunny, with a high near 60.

Sunday Night

Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.

Monday

Areas of frost. Otherwise, sunny, with a high near 64.

Monday Night

Mostly clear, with a low around 38.