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

CRESTVIEW (CRVC1)

Lat: 37.73745°NLon: 118.99658°WElev: 7570.0ft.

32°F

0°C

Humidity	90%
Wind Speed	SSW 3 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	24 Dec 08:53 PM PST

More Information:

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

Extended Forecast for

6 Miles NNE Mammoth Lakes CA

Winter Storm Warning December 24, 09:30pm until December 26, 10:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 24, 09:30pm until December 26, 10:00am
NOW until 10:00am Fri
Winter Storm Warning
Tonight
Low: 24 °F
Heavy Snow
and Dense
Freezing Fog
Christmas Day
High: 36 °F
Heavy Snow
and Dense
Freezing Fog
Thursday Night
Low: 24 °F
Heavy Snow
and Dense
Freezing Fog
Friday
High: 35 °F
Heavy Snow
and Dense
Freezing Fog
Friday Night
Low: 7 °F
Chance Snow
and Patchy
Fog
Saturday
High: 34 °F
Slight Chance
Snow
Saturday Night
Low: 5 °F
Mostly Clear
Sunday
High: 38 °F
Sunny

Detailed Forecast

Tonight

Snow. The snow could be heavy at times. Widespread dense freezing fog, mainly before 5am. Low around 24. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.

Christmas Day

Snow before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. Patchy fog before 7am. Widespread dense freezing fog between 7am and 10am. High near 36. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

Thursday Night

Snow showers before 10pm, then snow after 10pm. The snow could be heavy at times. Some thunder is also possible. Patchy fog between 10pm and 1am. Widespread dense freezing fog before 10pm, then widespread dense freezing fog after 1am. Low around 24. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

Friday

Snow. The snow could be heavy at times. Areas of fog before 9am. Widespread dense freezing fog before 8am. High near 35. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Friday Night

A 50 percent chance of snow. Patchy fog between 10pm and 1am. Otherwise, mostly cloudy, with a low around 7. Southwest wind around 5 mph becoming calm after midnight. New snow accumulation of less than a half inch possible.

Saturday

A 20 percent chance of snow. Mostly sunny, with a high near 34. Calm wind becoming north around 5 mph.

Saturday Night

Mostly clear, with a low around 5.

Sunday

Sunny, with a high near 38.

Sunday Night

Mostly clear, with a low around 8.

Monday

Sunny, with a high near 43.

Monday Night

Mostly clear, with a low around 15.