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

Winter Storm Warning until December 26, 10:00 AM PST

Current conditions at

GRASSHOPPER (GRSC1)

Lat: 40.78169°NLon: 120.78437°WElev: 6158.0ft.

31°F

-1°C

Humidity	99%
Wind Speed	S 4 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Wind Chill	27°F (-3°C)
Last update	24 Dec 09:47 PM PST

More Information:

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

Extended Forecast for

11 Miles ENE Bieber CA

Winter Storm Warning December 24, 10:55pm until December 26, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 24, 10:55pm until December 26, 10:00am
NOW until 10:00am Fri
Winter Storm Warning
Tonight
Low: 33 °F
Rain
Christmas Day
High: 44 °F
Rain/Snow and
Breezy
Thursday Night
Low: 28 °F
Rain/Snow and
Patchy Fog
Friday
High: 41 °F
Rain/Snow
Friday Night
Low: 22 °F
Rain/Snow
Likely and
Patchy Fog
Saturday
High: 38 °F
Chance Snow
Saturday Night
Low: 16 °F
Partly Cloudy
Sunday
High: 41 °F
Mostly Sunny

Detailed Forecast

Tonight

Rain. Snow level 5600 feet. Low around 33. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

Christmas Day

Rain and snow. Snow level 4900 feet. High near 44. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain and snow before 4am, then a chance of snow. Patchy fog between 10pm and 2am. Snow level 4400 feet. Low around 28. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Friday

A chance of snow before 10am, then rain and snow. Snow level rising to 4700 feet in the afternoon. High near 41. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday Night

Rain and snow likely, becoming all snow after 7pm. Patchy fog between 10pm and 2am. Otherwise, mostly cloudy, with a low around 22. West wind 5 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday

A 30 percent chance of snow. Partly sunny, with a high near 38. Calm wind becoming north around 5 mph in the afternoon. Little or no snow accumulation expected.

Saturday Night

Partly cloudy, with a low around 16.

Sunday

Mostly sunny, with a high near 41.

Sunday Night

Mostly clear, with a low around 19.

Monday

Sunny, with a high near 46.

Monday Night

Mostly clear, with a low around 22.

Tuesday

Sunny, with a high near 50.