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

HIGH GLADE LOOKOUT (HGLC1)

Lat: 39.2089°NLon: 122.80999°WElev: 4807.0ft.

37°F

3°C

Humidity	100%
Wind Speed	ESE 25 MPH
Barometer	NA
Dewpoint	37°F (3°C)
Visibility	NA
Wind Chill	25°F (-4°C)
Last update	24 Dec 06:36 PM PST

More Information:

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

Extended Forecast for

18 Miles N Clearlake CA

Flood Watch December 24, 07:13pm 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, 07:13pm until December 26, 10:00pm
NOW until 10:00pm Fri
Flood Watch
Tonight
Low: 44 °F
Heavy Rain
and Windy
Christmas Day
High: 44 °F
Showers and
Windy
Thursday Night
Low: 39 °F
Rain and
Windy
Friday
High: 43 °F
Rain and
Breezy
Friday Night
Low: 38 °F
Rain Likely
then Chance
Rain/Snow
Saturday
High: 44 °F
Slight Chance
Rain/Snow
then Sunny
Saturday Night
Low: 37 °F
Mostly Clear
Sunday
High: 49 °F
Mostly Sunny

Detailed Forecast

Tonight

Rain and possibly a thunderstorm before 1am, then rain between 1am and 4am, then showers and possibly a thunderstorm after 4am. Some of the storms could produce heavy rainfall. Steady temperature around 44. Windy, with a south wind 20 to 29 mph, with gusts as high as 75 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Christmas Day

Showers and possibly a thunderstorm before 7am, then rain between 7am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 44. Windy, with a south southwest wind 22 to 29 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday Night

Rain. Low around 39. Windy, with a south southwest wind 25 to 28 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

Rain. High near 43. Breezy, with a south wind 15 to 18 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain likely before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 38. South southeast wind around 10 mph becoming north after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

A slight chance of rain and snow before 7am, then a slight chance of rain between 7am and 10am. Mostly sunny, with a high near 44. North wind around 10 mph. Chance of precipitation is 20%.

Saturday Night

Mostly clear, with a low around 37.

Sunday

Mostly sunny, with a high near 49.

Sunday Night

Clear, with a low around 39.

Monday

Sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 41.

Tuesday

Sunny, with a high near 54.