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.

34°F

1°C

Humidity	100%
Wind Speed	SE 46 MPH
Barometer	NA
Dewpoint	34°F (1°C)
Visibility	NA
Wind Chill	18°F (-8°C)
Last update	25 Dec 06:36 PM PST

More Information:

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

Extended Forecast for

13 Miles NNE Lakeport CA

Flood Watch December 25, 07:13pm until December 26, 10:00pm

Wind Advisory December 25, 07:13pm until December 26, 10:00am

Click here for hazard details and duration

Flood Watch

Wind Advisory

Flood Watch December 25, 07:13pm until December 26, 10:00pm
Wind Advisory December 25, 07:13pm until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 36 °F
Rain/Snow and
Windy
Friday
High: 40 °F
Rain/Snow and
Windy
Friday Night
Low: 35 °F
Rain/Snow
Likely and
Breezy then
Chance
Rain/Snow
Saturday
High: 41 °F
Slight Chance
Snow Showers
then Sunny
Saturday Night
Low: 36 °F
Mostly Clear
Sunday
High: 47 °F
Mostly Sunny
Sunday Night
Low: 38 °F
Mostly Clear
Monday
High: 52 °F
Sunny

Detailed Forecast

Tonight

Rain and snow showers before 1am, then snow showers likely between 1am and 4am, then snow showers, possibly mixed with rain after 4am. Some thunder is also possible. Low around 36. Windy, with a south southwest wind 25 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Snow showers, possibly mixed with rain before 7am, then rain showers between 7am and 4pm, then rain likely, possibly mixed with snow showers after 4pm. High near 40. Windy, with a south wind 18 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Friday Night

Rain and snow showers likely before 1am, then a chance of snow showers. Mostly cloudy, with a low around 35. Breezy, with an east southeast wind 13 to 16 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Saturday

A 20 percent chance of snow showers before 10am. Sunny, with a high near 41. North northwest wind around 7 mph.

Saturday Night

Mostly clear, with a low around 36. North wind 6 to 8 mph.

Sunday

Mostly sunny, with a high near 47. North wind 6 to 8 mph.

Sunday Night

Mostly clear, with a low around 38.

Monday

Sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 41.