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.

51°F

11°C

Humidity	62%
Wind Speed	S 2 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	25 Dec 12:52 PM PST

More Information:

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

Extended Forecast for

9 Miles ENE Happy Camp CA

Wind Advisory December 25, 01:04pm until December 25, 04:00pm

Winter Storm Warning December 25, 01:04pm until December 26, 10:00am

Click here for hazard details and duration

Wind Advisory

Winter Storm Warning

Wind Advisory December 25, 01:04pm until December 25, 04:00pm
Winter Storm Warning December 25, 01:04pm until December 26, 10:00am
NOW: Multiple hazards in effect
Click HERE for Details
Christmas Day
High: 48 °F
Showers
Tonight
Low: 35 °F
Showers
Friday
High: 46 °F
Showers
Friday Night
Low: 32 °F
Rain then
Chance Rain
Saturday
High: 45 °F
Chance Rain
Saturday Night
Low: 27 °F
Mostly Cloudy
Sunday
High: 48 °F
Mostly Sunny
Sunday Night
Low: 29 °F
Partly Cloudy

Detailed Forecast

Christmas Day

Showers, mainly between 2pm and 4pm. Snow level 4100 feet. High near 48. Southwest wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Showers. Snow level 3800 feet. Low around 35. Southeast wind around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Showers, mainly before 3pm, then rain after 4pm. Snow level 3800 feet. High near 46. Southeast wind 5 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday Night

Rain, mainly before 10pm. Snow level 3500 feet lowering to 2600 feet after midnight . Low around 32. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

Saturday

A 30 percent chance of rain. Snow level 2700 feet. Partly sunny, with a high near 45. Light north wind.

Saturday Night

Mostly cloudy, with a low around 27.

Sunday

Mostly sunny, with a high near 48.

Sunday Night

Partly cloudy, with a low around 29.

Monday

Sunny, with a high near 52.

Monday Night

Mostly clear, with a low around 33.