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

KONOCTI (KELC1)

Lat: 38.91189°NLon: 122.70631°WElev: 2163.0ft.

48°F

9°C

Humidity	85%
Wind Speed	S 20 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Wind Chill	41°F (5°C)
Last update	25 Dec 01:57 AM PST

More Information:

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

Extended Forecast for

15 Miles ENE Clearlake CA

Flood Watch December 25, 02:16am until December 26, 04:00pm

Flood Advisory until December 25, 09:00pm

Winter Storm Warning until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Flood Advisory

Winter Storm Warning

Flood Watch December 25, 02:16am until December 26, 04:00pm
Flood Advisory until December 25, 09:00pm
Winter Storm Warning until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 47 °F
Showers and
Breezy
Christmas Day
High: 52 °F
Breezy.
Showers
Likely then
Showers
Thursday Night
Low: 43 °F
Rain
Friday
High: 52 °F
Rain
Friday Night
Low: 40 °F
Chance Rain
then Slight
Chance Rain
Saturday
High: 52 °F
Slight Chance
Rain then
Sunny
Saturday Night
Low: 38 °F
Mostly Clear
Sunday
High: 53 °F
Sunny

Detailed Forecast

Overnight

Showers and possibly a thunderstorm. Low around 47. Breezy, with a south southeast wind around 22 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Christmas Day

Rain and thunderstorms likely before 3pm, then rain between 3pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 52. Breezy, with a south wind 20 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Rain and thunderstorms before 1am, then rain likely. Low around 43. South wind 16 to 18 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain, mainly before 4pm. High near 52. South wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 40. South southwest wind around 6 mph becoming calm in the evening.

Saturday

A 20 percent chance of rain before 10am. Mostly sunny, with a high near 52.

Saturday Night

Mostly clear, with a low around 38.

Sunday

Sunny, with a high near 53.

Sunday Night

Clear, with a low around 38.

Monday

Sunny, with a high near 57.