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

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Clear

25°F

-4°C

Humidity 53%
Wind Speed ESE 8 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 26 Dec 08:55 PM PST
Extended Forecast for

10 Miles E Mammoth Lakes CA

Winter Storm Warning December 26, 09:04pm until December 27, 01:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 26, 09:04pm until December 27, 01:00am

    NOW until 1:00am Sat

    Winter Storm Warning

  • Tonight

    Low: 8 °F

    Chance Snow
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 38. Calm wind becoming northwest around 5 mph.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 8. West wind around 5 mph.

    Low: 8 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 39. Calm wind becoming north around 5 mph.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. West wind around 5 mph.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43. West wind around 5 mph becoming northeast in the afternoon.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 10.

    Low: 10 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

Tonight
A 40 percent chance of snow before 10pm. Mostly clear, with a low around 8. Northwest wind 5 to 10 mph. Little or no snow accumulation expected.
Saturday
Sunny, with a high near 38. Calm wind becoming northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 8. West wind around 5 mph.
Sunday
Mostly sunny, with a high near 39. Calm wind becoming north around 5 mph.
Sunday Night
Mostly clear, with a low around 9. West wind around 5 mph.
Monday
Sunny, with a high near 43. West wind around 5 mph becoming northeast in the afternoon.
Monday Night
Clear, with a low around 10.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly clear, with a low around 19.
Wednesday
A slight chance of rain and snow after 4pm. Snow level rising to 7900 feet in the afternoon. Mostly sunny, with a high near 48.
Wednesday Night
A chance of rain and snow. Snow level 7500 feet. Mostly cloudy, with a low around 23.
New Year's Day
A chance of rain and snow. Snow level 7100 feet rising to 7700 feet in the afternoon. Mostly cloudy, with a high near 46.
Thursday Night
A chance of rain and snow. Snow level 7200 feet. Mostly cloudy, with a low around 24.
Friday
Snow likely. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Mammoth Lakes CA
 37.66°N 118.8°W (Elev. 6998 ft)
Last Update:
1:15 pm PST Dec 26, 2025
Forecast Valid:
9pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

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