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.

light snow,mist

30°F

-1°C

Humidity 100%
Wind Speed ESE 21 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 30°F (-1°C)
Visibility 0.50 mi
Wind Chill17°F (-8°C)
Last update 26 Dec 05:55 AM PST
Extended Forecast for

8 Miles ENE Mammoth Lakes CA

Winter Storm Warning December 26, 06:27am until December 26, 04:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 26, 06:27am until December 26, 04:00pm

    NOW until 4:00pm Fri

    Winter Storm Warning

  • Today

    High: 37 °F

    Heavy Snow
    and Areas
    Freezing Fog

  • Tonight

    Tonight: A 30 percent chance of snow before 7pm.  Mostly clear, with a low around 9. West wind 5 to 10 mph, with gusts as high as 20 mph.  New snow accumulation of less than a half inch possible.

    Low: 9 °F

    Chance Snow
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 37. Calm wind.

    High: 37 °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 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 6. West wind around 5 mph.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 7.

    Low: 7 °F

    Clear

Detailed Forecast

Today
Snow, mainly before 1pm. The snow could be heavy at times. Areas of fog before 7am. Areas of freezing fog between 7am and 10am. High near 37. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 30 percent chance of snow before 7pm. Mostly clear, with a low around 9. West wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than a half inch possible.
Saturday
Sunny, with a high near 37. Calm wind.
Saturday Night
Mostly clear, with a low around 8. 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 6. West wind around 5 mph.
Monday
Sunny, with a high near 42.
Monday Night
Clear, with a low around 7.
Tuesday
Sunny, with a high near 47.
Tuesday Night
Mostly clear, with a low around 15.
Wednesday
Mostly sunny, with a high near 48.
Wednesday Night
A slight chance of rain and snow. Snow level 7500 feet. Partly cloudy, with a low around 25.
New Year's Day
A chance of rain and snow. Snow level 7200 feet. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Mammoth Lakes CA
 37.7°N 118.84°W (Elev. 7201 ft)
1:15 am PST Dec 26, 2025
6am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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