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

13 Miles NNE Clearlake CA

Flood Watch December 24, 07:15pm until December 26, 10:00pm

Wind Advisory December 24, 08:00pm until December 25, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 24, 07:15pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Tonight
Low: 42 °F
Showers and
Windy
Christmas Day
High: 47 °F
Showers and
Windy
Thursday Night
Low: 43 °F
Rain and
Windy
Friday
High: 46 °F
Rain and
Windy
Friday Night
Low: 41 °F
Rain Likely
then Chance
Rain
Saturday
High: 46 °F
Slight Chance
Rain then
Sunny
Saturday Night
Low: 39 °F
Mostly Clear
Sunday
High: 49 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and possibly a thunderstorm. Low around 42. Windy, with a south wind 20 to 29 mph, with gusts as high as 70 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Christmas Day

Rain before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 47. Windy, with a south southwest wind 23 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Rain. Low around 43. Windy, with a south southwest wind 23 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

Rain. High near 46. Windy, with a south wind 18 to 26 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 41. Southeast wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Mostly sunny, with a high near 46. North wind around 10 mph, with gusts as high as 18 mph.

Saturday Night

Mostly clear, with a low around 39.

Sunday

Mostly sunny, with a high near 49.

Sunday Night

Mostly clear, with a low around 40.

Monday

Sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 42.