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

Wind Advisory in effect from December 25, 09:00 AM PST until December 25, 01:00 PM PST

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375° N Lon: 123.68508° W Elev: 1389.0 ft.

48°F

9°C

Humidity	82%
Wind Speed	NNW 3 MPH
Barometer	NA
Dewpoint	43°F (6°C)
Visibility	NA
Last update	24 Dec 04:52 PM PST

More Information:

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

Detailed forecast for

Eastern Curry County and Josephine County

Tonight

Mostly cloudy. Chance of rain until well after midnight, then rain well after midnight. Lows in the mid 30s to lower 40s. In the valleys, northeast winds around 5 mph. At higher elevations, northeast winds 5 to 10 mph shifting to the southeast 10 to 15 mph after midnight. Chance of rain 80 percent.

Christmas Day

Mostly cloudy. Chance of rain and snow in the morning, then rain, snow likely and slight chance of thunderstorms in the afternoon. No snow accumulation. Highs in the lower 40s to lower 50s. Breezy. South winds 10 to 15 mph in the valleys and south 15 to 25 mph at higher elevations. Chance of precipitation 60 percent.

Thursday Night

Rain and snow. Snow level 3500 feet. No snow accumulation. Lows in the mid 30s to lower 40s. South winds 5 to 10 mph in the valleys and south 15 to 20 mph at higher elevations. Gusts up to 40 mph early in the evening. Chance of precipitation 90 percent.

Friday

Rain and snow. Snow level 3500 feet. Highs in the lower to mid 40s. In the valleys, southeast winds 5 to 10 mph shifting to the southwest in the afternoon. At higher elevations, southwest winds 15 to 20 mph. Chance of precipitation 90 percent.

Friday Night

Mostly cloudy. Rain and snow in the evening, then chance of rain and snow after midnight. Snow level 3000 feet lowering to 2500 feet after midnight. Lows in the lower to mid 30s. West winds 5 to 10 mph shifting to the north well after midnight. Chance of precipitation 80 percent.

Saturday

Mostly cloudy in the morning then becoming partly cloudy. Chance of rain and snow. Highs in the lower to mid 40s.

Saturday Night

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 20s to mid 30s.

Sunday

Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 40s to lower 50s.

Sunday Night

Partly cloudy. Lows in the lower to mid 30s.

Monday Through Tuesday

Mostly clear. Highs in the mid 40s to mid 50s. Lows in the lower 30s to lower 40s.

Tuesday Night

Partly cloudy in the evening then clearing. Lows in the mid 30s to lower 40s.