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

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

42°F

6°C

Humidity	99%
Wind Speed	ESE 2 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Last update	25 Dec 05:52 AM PST

More Information:

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

Extended Forecast for

7 Miles NE Happy Camp CA

Wind Advisory until December 25, 01:00pm

Winter Storm Warning December 25, 06:58am until December 26, 10:00am

Click here for hazard details and duration

Wind Advisory

Winter Storm Warning

Wind Advisory until December 25, 01:00pm
Winter Storm Warning December 25, 06:58am until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 45 °F
Rain/Snow
then Showers
Tonight
Low: 35 °F
Rain/Snow
Friday
High: 43 °F
Rain/Snow
Friday Night
Low: 30 °F
Rain then
Chance
Rain/Snow
Saturday
High: 42 °F
Chance
Rain/Snow
then Chance
Rain
Saturday Night
Low: 26 °F
Mostly Cloudy
Sunday
High: 47 °F
Mostly Sunny
Sunday Night
Low: 29 °F
Partly Cloudy

Detailed Forecast

Christmas Day

Rain, possibly mixed with snow showers, becoming all rain after noon. Snow level 5100 feet lowering to 4000 feet. High near 45. East wind 6 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tonight

Rain, possibly mixed with snow showers, becoming all rain after 2am. Snow level 3800 feet. Low around 35. South southeast wind around 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 3800 feet. High near 43. South southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night

Rain before 4am, then a chance of rain and snow. Snow level 3400 feet lowering to 2600 feet after midnight . Low around 30. West wind 3 to 5 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Saturday

A chance of rain and snow before 10am, then a chance of rain. Snow level 2700 feet. Partly sunny, with a high near 42. Light north northeast wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday Night

Mostly cloudy, with a low around 26.

Sunday

Mostly sunny, with a high near 47.

Sunday Night

Partly cloudy, with a low around 29.

Monday

Sunny, with a high near 50.

Monday Night

Mostly clear, with a low around 33.

Tuesday

Sunny, with a high near 55.