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

6 Miles ENE Clearlake CA

Flood Watch December 24, 10:11am until December 26, 10:00pm

High Wind Watch December 25, 12:00am until December 25, 07:00pm

Click here for hazard details and duration

Flood Watch

High Wind Watch

Flood Watch December 24, 10:11am until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Today
High: 57 °F
Chance Rain
Tonight
Low: 43 °F
Rain and
Breezy
Christmas Day
High: 52 °F
Rain and
Breezy
Thursday Night
Low: 41 °F
Rain and
Breezy
Friday
High: 53 °F
Showers and
Breezy
Friday Night
Low: 38 °F
Showers
Likely
Saturday
High: 55 °F
Slight Chance
Showers then
Sunny
Saturday Night
Low: 34 °F
Mostly Clear

Detailed Forecast

Today

A chance of rain before 1pm, then a chance of rain and thunderstorms between 1pm and 4pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 57. Southeast wind around 9 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Rain, with thunderstorms also possible after 10pm. Low around 43. Breezy, with a south southeast wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Christmas Day

Rain, with thunderstorms also possible after 1pm. High near 52. Breezy, with a south wind 18 to 20 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Rain. Low around 41. Breezy, with a south wind 11 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Friday

Rain before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 53. Breezy, with a south wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

Showers likely and possibly a thunderstorm before 10pm, then a chance of showers. Mostly cloudy, with a low around 38. South southeast wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A 20 percent chance of showers before 10am. Mostly sunny, with a high near 55.

Saturday Night

Mostly clear, with a low around 34.

Sunday

Sunny, with a high near 58.

Sunday Night

Mostly clear, with a low around 36.

Monday

Sunny, with a high near 61.

Monday Night

Mostly clear, with a low around 38.