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

KAISER POINT NEAR LAKESHORE 4ENE (KSP) (KSPC1)

Lat: 37.29833°NLon: 119.10333°WElev: 9129.0ft.

NA

29°F

-2°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

20 Miles SE Mammoth Lakes CA

Flood Watch December 24, 02:03pm until December 26, 04:00pm
Winter Storm Warning December 24, 02:03pm until December 26, 10:00pm
Click here for hazard details and duration
Flood Watch
Winter Storm Warning
  •  
    Flood Watch December 24, 02:03pm until December 26, 04:00pm
    Winter Storm Warning December 24, 02:03pm until December 26, 10:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 25 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow showers before 7pm, then snow after 7pm. Some thunder is also possible. Low around 15. Wind chill values as low as -5. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 16 inches possible.

    Low: 15 °F

    Snow Showers
    and Windy

  • Christmas Day

    Christmas Day: Snow. High near 19. Wind chill values as low as -6. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 20 to 26 inches possible.

    High: 19 °F

    Snow and
    Windy

  • Thursday Night

    Thursday Night: Snow showers. The snow could be heavy at times. Some thunder is also possible. Low around 14. Wind chill values as low as -5. Windy, with a 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: 14 °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 16. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 14 inches possible.

    High: 16 °F

    Heavy Snow
    and Windy

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 2. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 2 °F

    Snow Likely
    then Chance
    Snow

  • Saturday

    Saturday: A 30 percent chance of snow, mainly after 10am. Mostly sunny and cold, with a high near 14. West wind 10 to 15 mph. Little or no snow accumulation expected.

    High: 14 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 2 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

Detailed Forecast

This Afternoon
Snow before 4pm, then snow showers after 4pm. The snow could be heavy at times. Some thunder is also possible. High near 25. Wind chill values as low as zero. Breezy, with a south southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 20 to 26 inches possible.
Tonight
Snow showers before 7pm, then snow after 7pm. Some thunder is also possible. Low around 15. Wind chill values as low as -5. Windy, with a south southwest wind 25 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 16 inches possible.
Christmas Day
Snow. High near 19. Wind chill values as low as -6. Windy, with a south southwest wind 25 to 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. Low around 14. Wind chill values as low as -5. Windy, with a 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 16. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 14 inches possible.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 2. West southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. 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 14. West wind 10 to 15 mph. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 2. Breezy, with a west southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Sunny and cold, with a high near 19. West wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 7. Blustery, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny and cold, with a high near 22. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly clear, with a low around 13. North northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny and cold, with a high near 28. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
20 Miles SE Mammoth Lakes CA
 37.39°N 118.8°W (Elev. 11955 ft)
Last Update:
1:57 pm PST Dec 24, 2025
Forecast Valid:
2pm PST Dec 24, 2025-6pm PST Dec 30, 2025
 
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Additional Resources

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