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.

31°F

-1°C

Humidity	99%
Wind Speed	W 0 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Last update	25 Dec 05:00 PM PST

More Information:

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

Extended Forecast for

13 Miles SSE Mammoth Lakes CA

Flood Watch December 25, 06:06pm until December 26, 04:00pm

Winter Storm Warning December 25, 06:06pm until December 26, 10:00pm

Click here for hazard details and duration

Flood Watch

Winter Storm Warning

Flood Watch December 25, 06:06pm until December 26, 04:00pm
Winter Storm Warning December 25, 06:06pm until December 26, 10:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 16 °F
Snow Showers
and Windy
Friday
High: 21 °F
Snow Showers
and Windy
Friday Night
Low: 3 °F
Snow Likely
then Slight
Chance Snow
Saturday
High: 20 °F
Cold
Saturday Night
Low: 5 °F
Mostly Clear
Sunday
High: 24 °F
Cold
Sunday Night
Low: 10 °F
Mostly Clear
then Mostly
Clear and
Blustery
Monday
High: 27 °F
Sunny and
Blustery then
Sunny

Detailed Forecast

Tonight

Snow showers. Some thunder is also possible. Low around 16. Wind chill values as low as -3. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 12 to 18 inches possible.

Friday

Snow showers. Some thunder is also possible. High near 21. Wind chill values as low as -4. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

Friday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 3. Wind chill values as low as -11. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Saturday

Sunny and cold, with a high near 20. Wind chill values as low as -12. West wind 5 to 10 mph.

Saturday Night

Mostly clear, with a low around 5. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday

Sunny and cold, with a high near 24. West wind 10 to 15 mph, with gusts as high as 20 mph.

Sunday Night

Mostly clear, with a low around 10. Blustery, with a southwest wind 15 to 20 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.

Monday

Sunny and cold, with a high near 27. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.

Monday Night

Mostly clear, with a low around 16. Northeast wind around 15 mph, with gusts as high as 20 mph.

Tuesday

Sunny, with a high near 33. North wind 5 to 10 mph, with gusts as high as 15 mph.

Tuesday Night

Mostly clear, with a low around 21. West southwest wind around 10 mph.

Wednesday

Sunny, with a high near 34. West wind 5 to 10 mph.

Wednesday Night

A 20 percent chance of snow. Partly cloudy, with a low around 21. West southwest wind 5 to 10 mph.