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

KNOXVILLE CREEK (KNXC1)

Lat: 38.86194°NLon: 122.41722°WElev: 2200.0ft.

44°F

7°C

Humidity	100%
Wind Speed	S 14 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Wind Chill	37°F (3°C)
Last update	25 Dec 01:09 PM PST

More Information:

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

Extended Forecast for

Hidden Valley Lake CA

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

Wind Advisory December 25, 02:11pm until December 26, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 02:11pm until December 26, 10:00pm
Wind Advisory December 25, 02:11pm until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 49 °F
Showers and
Breezy
Tonight
Low: 42 °F
Showers and
Breezy
Friday
High: 50 °F
Showers
Friday Night
Low: 38 °F
Chance
Showers
Saturday
High: 51 °F
Slight Chance
Showers then
Sunny
Saturday Night
Low: 34 °F
Mostly Clear
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 35 °F
Mostly Clear

Detailed Forecast

Christmas Day

Showers and possibly a thunderstorm. High near 49. Breezy, with a south wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and possibly a thunderstorm before 1am, then showers likely. Low around 42. Breezy, with a south southwest wind 16 to 21 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday

Showers, with thunderstorms also possible after 4pm. High near 50. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 38. South southeast wind 8 to 11 mph becoming east after midnight. Chance of precipitation is 50%. 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. Mostly sunny, with a high near 51. North wind 3 to 6 mph.

Saturday Night

Mostly clear, with a low around 34. North wind around 6 mph.

Sunday

Sunny, with a high near 54.

Sunday Night

Mostly clear, with a low around 35.

Monday

Sunny, with a high near 57.

Monday Night

Mostly clear, with a low around 37.