Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Winter Storm Warning in effect from December 23, 10:00 PM PST until December 26, 10:00 AM PST

Current conditions at

CRESTVIEW (CRVC1)

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

33°F

1°C

Humidity	93%
Wind Speed	SSW 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	24 Dec 12:53 AM PST

More Information:

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

Extended Forecast for

4 Miles NW Mammoth Lakes 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
Overnight
Low: 31 °F
Heavy Snow
and Breezy
Wednesday
High: 37 °F
Heavy Snow
and Breezy
Wednesday Night
Low: 27 °F
Heavy Snow
and Breezy
Christmas Day
High: 32 °F
Heavy Snow
and Breezy
Thursday Night
Low: 23 °F
Heavy Snow
and Breezy
Friday
High: 29 °F
Heavy Snow
and Breezy
Friday Night
Low: 12 °F
Snow Likely
then Chance
Snow
Saturday
High: 30 °F
Slight Chance
Snow

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 31. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 37. Breezy, with a south wind 15 to 20 mph decreasing to 10 to 15 mph in the morning. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 27. Breezy, with a south wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 14 inches possible.

Christmas Day

Snow. The snow could be heavy at times. High near 32. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

Thursday Night

Snow. The snow could be heavy at times. Low around 23. Breezy, with a south wind around 25 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of 14 to 20 inches possible.

Friday

Snow. The snow could be heavy at times. High near 29. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 12. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Saturday

A slight chance of snow. Mostly sunny, with a high near 30.

Saturday Night

Partly cloudy, with a low around 13.

Sunday

Sunny, with a high near 33.

Sunday Night

Mostly clear, with a low around 17.

Monday

Sunny, with a high near 38.

Monday Night

Mostly clear, with a low around 23.