National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

NA

32°F

0°C

Humidity 86%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 24 Dec 06:00 PM PST
Extended Forecast for

10 Miles S Mammoth Lakes CA

Flood Watch December 24, 07:14pm until December 26, 04:00pm
Winter Storm Warning December 24, 07:14pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 24, 07:14pm until December 26, 04:00pm
    Winter Storm Warning December 24, 07:14pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 19 °F

    Snow and
    Windy

  • Christmas Day

    Christmas Day: Snow before 1pm, then snow showers after 1pm. Some thunder is also possible. High near 22. Wind chill values as low as zero. Windy, with a south southwest wind around 30 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 20 to 26 inches possible.

    High: 22 °F

    Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 21. Wind chill values as low as 1. 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 17 to 23 inches possible.

    Low: 21 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow showers before 1pm, then snow, mainly after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 20. Wind chill values as low as zero. 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 10 to 14 inches possible.

    High: 20 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 7. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 7 °F

    Snow Likely
    then Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow. Mostly sunny and cold, with a high near 19. West wind around 5 mph.

    High: 19 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 9 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Sunday

    Sunday: Sunny and cold, with a high near 23. Blustery, with an east northeast wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 23 °F

    Sunny and
    Blustery then
    Sunny

Detailed Forecast

Tonight
Snow. Low around 19. Wind chill values as low as 3. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.
Christmas Day
Snow before 1pm, then snow showers after 1pm. Some thunder is also possible. High near 22. Wind chill values as low as zero. Windy, with a south southwest wind around 30 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 20 to 26 inches possible.
Thursday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 21. Wind chill values as low as 1. 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 17 to 23 inches possible.
Friday
Snow showers before 1pm, then snow, mainly after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 20. Wind chill values as low as zero. 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 10 to 14 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 7. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 20 percent chance of snow. Mostly sunny and cold, with a high near 19. West wind around 5 mph.
Saturday Night
Mostly clear, with a low around 9. Breezy, with an east wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and cold, with a high near 23. Blustery, with an east northeast wind 10 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Sunday Night
Mostly clear, with a low around 13. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny and cold, with a high near 28. Blustery, with a northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 18. East northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 34. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
A 10 percent chance of snow. Mostly clear, with a low around 23. East northeast wind around 10 mph.
Wednesday
A 30 percent chance of snow. Mostly sunny, with a high near 33. East wind around 5 mph becoming southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles S Mammoth Lakes CA
 37.47°N 119.02°W (Elev. 10863 ft)
Last Update:
6:57 pm PST Dec 24, 2025
Forecast Valid:
7pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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