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 >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

43°F

6°C

Humidity	94%
Wind Speed	S 2 MPH
Barometer	NA
Dewpoint	41°F (5°C)
Visibility	NA
Last update	24 Dec 07:52 AM PST

More Information:

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

Extended Forecast for

8 Miles WNW Illinois Valley OR

Today
High: 40 °F
Rain/Snow and
Windy then
Slight Chance
Rain
Tonight
Low: 38 °F
Rain
Christmas Day
High: 40 °F
Breezy.
Rain/Snow
then Rain
Thursday Night
Low: 35 °F
Rain/Snow
Friday
High: 38 °F
Rain/Snow
Friday Night
Low: 30 °F
Chance
Rain/Snow
then Slight
Chance
Rain/Snow
Saturday
High: 39 °F
Mostly Sunny
Saturday Night
Low: 29 °F
Partly Cloudy
Sunday
High: 43 °F
Mostly Sunny

Detailed Forecast

Today

Rain and snow before noon, then a slight chance of rain after 5pm. Snow level 5100 feet lowering to 4100 feet. Steady temperature around 40. Windy, with a south southwest wind 25 to 30 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tonight

Rain, mainly after 10pm. Snow level 4800 feet rising to 5300 feet after midnight. Low around 38. Southeast wind 6 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Christmas Day

Rain before 7am, then rain, possibly mixed with snow between 7am and 8am, then rain after 8am. Snow level 4100 feet. High near 40. Breezy, with a south wind 20 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain and snow. Snow level 3800 feet. Low around 35. South southeast wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain, possibly mixed with snow, mainly before 4pm. Snow level 3800 feet. High near 38. Southeast wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night

A chance of rain and snow, mainly before 10pm. Snow level 3400 feet. Mostly cloudy, with a low around 30. Chance of precipitation is 50%. Little or no snow accumulation expected.

Saturday

Mostly sunny, with a high near 39.

Saturday Night

Partly cloudy, with a low around 29.

Sunday

Mostly sunny, with a high near 43.

Sunday Night

Partly cloudy, with a low around 32.

Monday

Sunny, with a high near 48.

Monday Night

Mostly clear, with a low around 35.