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

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

53°F

12°C

Humidity	75%
Wind Speed	NNE 10 MPH
Barometer	NA
Dewpoint	45°F (7°C)
Visibility	NA
Last update	25 Dec 01:28 AM PST

More Information:

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

Extended Forecast for

2 Miles SSE Bethel Island CA

Flood Watch December 25, 02:18am until December 26, 10:00pm

Wind Advisory December 25, 02:18am until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 02:18am until December 26, 10:00pm
Wind Advisory December 25, 02:18am until December 25, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 54 °F
Rain and
Breezy
Christmas Day
High: 58 °F
Severe
Thunderstorms
Thursday Night
Low: 48 °F
Severe
Thunderstorms
then Rain
Likely
Friday
High: 56 °F
Rain
Friday Night
Low: 44 °F
Chance Rain
then Slight
Chance Rain
Saturday
High: 50 °F
Slight Chance
Rain then
Partly Sunny
Saturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 48 °F
Sunny

Detailed Forecast

Overnight

Rain. Low around 54. Breezy, with a south southeast wind around 23 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Christmas Day

Showers and possibly a thunderstorm before 4pm, then rain after 4pm. Some of the storms could be severe. High near 58. South southeast wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Rain before 7pm, then showers and possibly a thunderstorm between 7pm and 10pm, then rain likely after 10pm. Some of the storms could be severe. Low around 48. South southeast wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

Rain, mainly before 4pm. High near 56. South southeast wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 44. South wind around 7 mph. 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 50.

Saturday Night

Mostly clear, with a low around 39.

Sunday

Sunny, with a high near 48.

Sunday Night

Patchy frost after 4am. Otherwise, mostly clear, with a low around 36.

Monday

Patchy frost before 8am. Otherwise, mostly sunny, with a high near 49.

Monday Night

Patchy frost. Otherwise, partly cloudy, with a low around 36.