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

Flood Watch until December 26, 10:00 PM PST

Current conditions at

HAWKEYE (HWKC1)

Lat: 38.73509°NLon: 122.83706°WElev: 2024.0ft.

46°F

8°C

Humidity	100%
Wind Speed	S 30 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Wind Chill	37°F (3°C)
Last update	25 Dec 12:56 PM PST

More Information:

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

Extended Forecast for

5 Miles ESE The Geysers CA

Flood Watch December 25, 02:11pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 25, 02:11pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Christmas Day
High: 42 °F
Severe
Thunderstorms
Tonight
Low: 41 °F
Severe
Thunderstorms
and Breezy
Friday
High: 44 °F
Showers
Friday Night
Low: 40 °F
Showers
Likely then
Slight Chance
Showers
Saturday
High: 45 °F
Slight Chance
Showers then
Sunny
Saturday Night
Low: 41 °F
Mostly Clear
Sunday
High: 48 °F
Mostly Sunny
Sunday Night
Low: 41 °F
Mostly Clear

Detailed Forecast

Christmas Day

Showers and possibly a thunderstorm. Some of the storms could be severe. Steady temperature around 42. South wind 18 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Tonight

Showers and possibly a thunderstorm. Some of the storms could be severe. Low around 41. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Friday

Showers, with thunderstorms also possible after 4pm. High near 44. South wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

Friday Night

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers. Mostly cloudy, with a low around 40. South wind around 9 mph becoming northwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers before 10am. Sunny, with a high near 45. North wind around 8 mph.

Saturday Night

Mostly clear, with a low around 41.

Sunday

Mostly sunny, with a high near 48.

Sunday Night

Mostly clear, with a low around 41.

Monday

Sunny, with a high near 51.

Monday Night

Mostly clear, with a low around 43.