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

KNOX 2 (KNXN2)

Lat: 39.27283°NLon: 119.963°WElev: 7568.0ft.

32°F

0°C

Humidity	99%
Wind Speed	WSW 0 MPH
Barometer	NA
Dewpoint	32°F (0°C)
Visibility	NA
Last update	24 Dec 01:19 PM PST

More Information:

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

Extended Forecast for

3 Miles E Devonshire CA

Winter Storm Warning until December 26, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning until December 26, 10:00am
NOW until 10:00am Fri
Winter Storm Warning
This Afternoon
High: 40 °F
Snow and
Areas Fog
Tonight
Low: 30 °F
Snow and
Patchy Fog
Christmas Day
High: 36 °F
Heavy Snow
and Dense
Freezing Fog
Thursday Night
Low: 27 °F
Heavy Snow
and Dense
Freezing Fog
Friday
High: 33 °F
Heavy Snow
and Dense
Freezing Fog
Friday Night
Low: 19 °F
Snow Likely
and Patchy
Fog
Saturday
High: 32 °F
Chance Snow
and Patchy
Fog
Saturday Night
Low: 15 °F
Partly Cloudy

Detailed Forecast

This Afternoon

Snow. Areas of fog. High near 40. Southwest wind around 10 mph. Chance of precipitation is 80%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow. Patchy fog before 8pm. Low around 30. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Christmas Day

Snow. The snow could be heavy at times. Widespread dense fog between 10am and 1pm. Widespread dense freezing fog before 10am, then widespread dense freezing fog after 4pm. High near 36. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Patchy fog between 1am and 3am. Widespread dense freezing fog before 7pm, then areas of dense freezing fog after 5am. Low around 27. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

Friday

Snow. The snow could be heavy at times. Patchy fog between 8am and 9am. Widespread dense freezing fog, mainly before 7am. High near 33. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.

Friday Night

Snow likely, mainly before 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 19. Southwest wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

A 30 percent chance of snow, mainly before 10am. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 32. Little or no snow accumulation expected.

Saturday Night

Partly cloudy, with a low around 15.

Sunday

Mostly sunny, with a high near 32.

Sunday Night

Mostly clear, with a low around 15.

Monday

Sunny, with a high near 35.

Monday Night

Mostly clear, with a low around 20.

Tuesday

Sunny, with a high near 41.