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

31°F

-1°C

Humidity 98%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 24 Dec 10:00 PM PST
Extended Forecast for

13 Miles SE Mammoth Lakes CA

Flood Watch December 24, 10:57pm until December 26, 04:00pm
Winter Storm Warning December 24, 10:57pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 24, 10:57pm until December 26, 04:00pm
    Winter Storm Warning December 24, 10:57pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 20 °F

    Snow and
    Windy

  • Christmas Day

    Christmas Day: Snow. High near 24. 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 18 to 24 inches possible.

    High: 24 °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 20. Wind chill values as low as zero. Windy, with a south southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

    Low: 20 °F

    Heavy Snow
    and Windy

  • Friday

    Friday: Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 22. Wind chill values as low as -1. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.

    High: 22 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 4. Southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 4 °F

    Snow Likely

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 10am. Mostly sunny and cold, with a high near 20. West wind around 10 mph. Little or no snow accumulation expected.

    High: 20 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 4. West southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 4 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and cold, with a high near 24. West wind around 15 mph, with gusts as high as 25 mph.

    High: 24 °F

    Cold

Detailed Forecast

Tonight
Snow. Steady temperature around 20. Wind chill values as low as zero. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 8 to 12 inches possible.
Christmas Day
Snow. High near 24. 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 18 to 24 inches possible.
Thursday Night
Snow showers. The snow could be heavy at times. Some thunder is also possible. Steady temperature around 20. Wind chill values as low as zero. Windy, with a south southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.
Friday
Snow showers. The snow could be heavy at times. Some thunder is also possible. High near 22. Wind chill values as low as -1. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 4. Southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
A 30 percent chance of snow, mainly after 10am. Mostly sunny and cold, with a high near 20. West wind around 10 mph. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 4. West southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny and cold, with a high near 24. West wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 8. North northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny and cold, with a high near 28. North northeast wind around 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 14. Northeast wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 34. North northwest 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 20. West southwest wind around 10 mph.
Wednesday
A 30 percent chance of snow. Mostly sunny, with a high near 34. West southwest wind 5 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SE Mammoth Lakes CA
 37.47°N 118.85°W (Elev. 11296 ft)
Last Update:
9:56 pm PST Dec 24, 2025
Forecast Valid:
10pm PST Dec 24, 2025-6pm PST Dec 31, 2025
 
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