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.

unknown precip,mist

28°F

-2°C

Humidity 92%
Wind Speed W 12 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 27°F (-3°C)
Visibility 3.00 mi
Wind Chill18°F (-8°C)
Last update 26 Dec 04:55 PM PST
Extended Forecast for

5 Miles ESE Mammoth Lakes CA

Winter Storm Warning December 26, 05:06pm until December 27, 01:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 26, 05:06pm until December 27, 01:00am

    NOW until 1:00am Sat

    Winter Storm Warning

  • This Afternoon

    High: 26 °F

    Chance Snow
    and Windy

  • Tonight

    Tonight: Snow likely before 10pm, then a slight chance of snow after 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 9 °F

    Snow Likely
    and Windy
    then Slight
    Chance Snow
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 23. Northwest wind 5 to 10 mph.

    High: 23 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 10. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.

    Low: 10 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 26. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 11 °F

    Mostly Clear
    and Blustery

  • Monday

    Monday: Sunny, with a high near 28. Blustery.

    High: 28 °F

    Sunny and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Blustery.

    Low: 17 °F

    Mostly Clear
    and Blustery

Detailed Forecast

This Afternoon
A 50 percent chance of snow. Partly sunny, with a high near 26. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Total daytime snow accumulation of 8 to 12 inches possible.
Tonight
Snow likely before 10pm, then a slight chance of snow after 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
Sunny, with a high near 23. Northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 10. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.
Sunday
Mostly sunny, with a high near 26. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 11. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 40 mph.
Monday
Sunny, with a high near 28. Blustery.
Monday Night
Mostly clear, with a low around 17. Blustery.
Tuesday
Sunny, with a high near 35.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 24.
New Year's Day
A chance of snow. Partly sunny, with a high near 32.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24. Breezy.
Friday
Snow likely. Mostly cloudy, with a high near 28. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
Last Update:
1:15 pm PST Dec 26, 2025
Forecast Valid:
5pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation