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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Current conditions at

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

25°F

-4°C

Humidity 68%
Wind Speed WNW 1 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 16°F (-9°C)
Visibility NA
Last update 26 Dec 09:30 PM PST
Extended Forecast for

Mammoth Lakes CA

Winter Storm Warning December 26, 09:59pm until December 27, 01:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 26, 09:59pm until December 27, 01:00am

    NOW until 1:00am Sat

    Winter Storm Warning

  • Tonight

    Low: 13 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday

    Saturday: Sunny, with a high near 33. Southwest wind around 5 mph becoming calm.

    High: 33 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 12. West wind around 5 mph.

    Low: 12 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Calm wind becoming north around 5 mph in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 13. Northwest wind around 5 mph.

    Low: 13 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 38. Northeast wind around 5 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

Tonight
A 50 percent chance of snow, mainly before 10pm. Partly cloudy, with a low around 13. Southwest wind around 10 mph, with gusts as high as 25 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Saturday
Sunny, with a high near 33. Southwest wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 12. West wind around 5 mph.
Sunday
Mostly sunny, with a high near 36. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 13. Northwest wind around 5 mph.
Monday
Sunny, with a high near 38. Northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
A slight chance of snow after 10am. Mostly sunny, with a high near 44.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 26.
New Year's Day
A chance of snow. Partly sunny, with a high near 42.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27.
Friday
Snow likely. Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.66°N 118.97°W (Elev. 8301 ft)
Last Update:
9:15 pm PST Dec 26, 2025
Forecast Valid:
9pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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