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

DEVILS POST PILE RAWS NEAR MAMMOTH LAKES 6WSW DPO (DPPC1)

Lat: 37.63°NLon: 119.09333°WElev: 8024.0ft.

30°F

-1°C

Humidity	98%
Wind Speed	SW 0 MPH
Barometer	NA
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	24 Dec 11:00 PM PST

More Information:

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

Extended Forecast for

10 Miles SSW June Lake CA

Flood Watch December 24, 11:41pm until December 26, 04:00pm

Winter Storm Warning December 24, 11:41pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 24, 11:41pm until December 26, 04:00pm
Winter Storm Warning December 24, 11:41pm until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 21 °F
Snow Showers
and Windy
Christmas Day
High: 18 °F
Snow and
Windy
Thursday Night
Low: 22 °F
Snow Showers
and Windy
Friday
High: 21 °F
Heavy Snow
and Windy
Friday Night
Low: 6 °F
Chance Snow
Saturday
High: 18 °F
Slight Chance
Snow
Saturday Night
Low: 8 °F
Mostly Clear
Sunday
High: 22 °F
Cold

Detailed Forecast

Tonight

Snow showers before 1am, then snow after 1am. Some thunder is also possible. Steady temperature around 21. Wind chill values as low as 1. Windy, with a south southwest wind around 35 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 20 to 26 inches possible.

Christmas Day

Snow before 1pm, then snow showers after 1pm. Some thunder is also possible. Steady temperature around 18. Wind chill values as low as -4. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 29 to 35 inches possible.

Thursday Night

Snow showers. Some thunder is also possible. Steady temperature around 22. Wind chill values as low as -1. Windy, with a south southwest wind 35 to 40 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 21 to 27 inches possible.

Friday

Snow before 10am, then snow showers between 10am and 1pm, then snow after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 21. Wind chill values as low as -5. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

Friday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 6. West southwest wind 10 to 15 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.

Saturday

A 20 percent chance of snow. Mostly sunny and cold, with a high near 18. West wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 8. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday

Sunny and cold, with a high near 22. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

Sunday Night

Mostly clear, with a low around 13. Blustery, with a north wind 15 to 20 mph, with gusts as high as 25 mph.

Monday

Sunny and cold, with a high near 28. Blustery, with a north northeast wind 10 to 20 mph.

Monday Night

Mostly clear, with a low around 19. North wind around 15 mph, with gusts as high as 20 mph.