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.

41°F

5°C

Humidity	97%
Wind Speed	SE 2 MPH
Barometer	NA
Dewpoint	40°F (4°C)
Visibility	NA
Last update	24 Dec 08:52 AM PST

More Information:

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

Extended Forecast for

9 Miles WNW Illinois Valley OR

Today
High: 44 °F
Rain/Snow
Likely and
Windy then
Slight Chance
Rain
Tonight
Low: 37 °F
Rain
Christmas Day
High: 37 °F
Rain/Snow and
Breezy
Thursday Night
Low: 35 °F
Rain/Snow
Friday
High: 37 °F
Rain/Snow
Friday Night
Low: 31 °F
Rain/Snow
Likely then
Slight Chance
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 likely before noon, then a slight chance of rain after 5pm. Snow level 4300 feet. Partly sunny, with a high near 44. Windy, with a south wind 22 to 32 mph decreasing to 11 to 21 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Tonight

Rain. Snow level 4800 feet rising to 5300 feet after midnight. Low around 37. South southeast wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Christmas Day

Rain and snow. Snow level 4100 feet. Steady temperature around 37. Breezy, with a south wind 22 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain, possibly mixed with 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 and snow. Snow level 3800 feet. High near 37. Southeast wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night

Snow likely, possibly mixed with rain before 10pm, then a slight chance of snow. Snow level 3400 feet. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. 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.