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

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More Information:

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

Extended Forecast for

11 Miles ENE Clearlake CA

Flood Watch December 26, 01:02am until December 26, 10:00pm

Flood Advisory December 26, 01:02am until December 26, 06:00pm

Wind Advisory December 26, 01:02am until December 26, 10:00am

Click here for hazard details and duration

Flood Watch

Flood Advisory

Wind Advisory

Flood Watch December 26, 01:02am until December 26, 10:00pm
Flood Advisory December 26, 01:02am until December 26, 06:00pm
Wind Advisory December 26, 01:02am until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Overnight
Low: 43 °F
Showers
Likely and
Breezy
Friday
High: 49 °F
Showers and
Windy
Friday Night
Low: 40 °F
Chance
Showers
Saturday
High: 49 °F
Slight Chance
Showers then
Sunny
Saturday Night
Low: 38 °F
Mostly Clear
Sunday
High: 52 °F
Sunny
Sunday Night
Low: 39 °F
Mostly Clear
Monday
High: 55 °F
Sunny

Detailed Forecast

Overnight

Showers likely. Mostly cloudy, with a low around 43. Breezy, with a southwest wind around 20 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Showers, with thunderstorms also possible after 4pm. High near 49. Windy, with a south wind 16 to 22 mph, with gusts as high as 37 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 40. South southeast wind 8 to 14 mph, with gusts as high as 20 mph. 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 49. North wind 5 to 9 mph.

Saturday Night

Mostly clear, with a low around 38. North northwest wind 7 to 9 mph, with gusts as high as 18 mph.

Sunday

Sunny, with a high near 52. North wind 8 to 10 mph, with gusts as high as 18 mph.

Sunday Night

Mostly clear, with a low around 39.

Monday

Sunny, with a high near 55.

Monday Night

Mostly clear, with a low around 40.