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

30°F

-1°C

Humidity 98%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 25 Dec 02:00 PM PST
Extended Forecast for

8 Miles SSE Mammoth Lakes CA

Flood Watch December 25, 03:21pm until December 26, 04:00pm
Winter Storm Warning December 25, 03:21pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 25, 03:21pm until December 26, 04:00pm
    Winter Storm Warning December 25, 03:21pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Christmas Day

    High: 23 °F

    Snow Showers
    and Windy

  • Tonight

    Tonight: Snow showers. Some thunder is also possible. Low around 19. Wind chill values as low as zero. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.

    Low: 19 °F

    Snow Showers
    and Windy

  • Friday

    Friday: Snow showers. Some thunder is also possible. Temperature falling to around 14 by 5pm. Wind chill values as low as -1. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    High: 22 °F⇓

    Snow Showers
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 7. Wind chill values as low as -6. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Snow Likely
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow after 10am. Sunny and cold, with a high near 22. West wind around 5 mph.

    High: 22 °F

    Slight Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 26. South southwest wind 10 to 15 mph becoming west northwest in the morning. Winds could gust as high as 20 mph.

    High: 26 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14. East northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 14 °F

    Mostly Clear

Detailed Forecast

Christmas Day
Snow showers. Some thunder is also possible. High near 23. Wind chill values as low as 3. Windy, with a south southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 14 to 20 inches possible.
Tonight
Snow showers. Some thunder is also possible. Low around 19. Wind chill values as low as zero. Windy, with a south southwest wind 30 to 35 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 12 to 18 inches possible.
Friday
Snow showers. Some thunder is also possible. Temperature falling to around 14 by 5pm. Wind chill values as low as -1. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 55 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 7. Wind chill values as low as -6. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 20 percent chance of snow after 10am. Sunny and cold, with a high near 22. West wind around 5 mph.
Saturday Night
Mostly clear, with a low around 8. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny and cold, with a high near 26. South southwest wind 10 to 15 mph becoming west northwest in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 14. East northeast wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny and cold, with a high near 29. East northeast wind around 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 19. East northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 36. East northeast wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 24. East southeast wind 5 to 10 mph becoming south after midnight.
Wednesday
Sunny, with a high near 37. West southwest wind around 5 mph.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 24. Southwest wind around 5 mph.
New Year's Day
A 30 percent chance of snow. Partly sunny and cold, with a high near 32. Southwest wind around 10 mph, with gusts as high as 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Mammoth Lakes CA
 37.53°N 118.94°W (Elev. 9990 ft)
Last Update:
2:57 pm PST Dec 25, 2025
Forecast Valid:
3pm PST Dec 25, 2025-6pm PST Jan 1, 2026
 
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