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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

14°F

-10°C

Humidity 92%
Wind Speed WNW 4 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 06 Jan 10:35 PM PST
Extended Forecast for

8 Miles ENE Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 13. West wind around 5 mph.

    Low: 13 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. West wind around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of snow after 4am. Mostly clear, with a low around 11. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 11 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 10am. Sunny, with a high near 29. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 6. West wind around 5 mph.

    Low: 6 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 37. Calm wind becoming north around 5 mph.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 13. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 38. West wind around 5 mph.
Wednesday Night
A 10 percent chance of snow after 4am. Mostly clear, with a low around 11. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of snow before 10am. Sunny, with a high near 29. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 6. West wind around 5 mph.
Friday
Sunny, with a high near 37. Calm wind becoming north around 5 mph.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Mammoth Lakes CA
 37.7°N 118.84°W (Elev. 7201 ft)
Last Update:
9:15 pm PST Jan 6, 2026
Forecast Valid:
10pm PST Jan 6, 2026-6pm PST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation