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 >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Overcast

18°F

-8°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 27 Dec 02:15 AM PST
Extended Forecast for

4 Miles ENE Mammoth Lakes CA

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly clear, with a low around 19. Southwest wind around 5 mph.

    Low: 19 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Sunny, with a high near 34. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 34 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 15. West wind around 5 mph.

    Low: 15 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 38. Calm wind becoming north around 5 mph in the afternoon.

    High: 38 °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 41. Northwest wind around 5 mph becoming northeast in the afternoon.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly clear, with a low around 19. Southwest wind around 5 mph.
Saturday
Sunny, with a high near 34. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 15. West wind around 5 mph.
Sunday
Mostly sunny, with a high near 38. 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 41. Northwest wind around 5 mph becoming northeast in the afternoon.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
A slight chance of rain and snow after 4pm. Mostly sunny, with a high near 47.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 25.
New Year's Day
A chance of rain and snow. Snow level rising to 8000 feet in the afternoon. Mostly cloudy, with a high near 45.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 27.
Friday
Snow likely. Mostly cloudy, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Mammoth Lakes CA
 37.67°N 118.92°W (Elev. 7694 ft)
Last Update:
1:15 am PST Dec 27, 2025
Forecast Valid:
2am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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