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.

Mist

5°F

-15°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 3°F (-16°C)
Visibility 1.25 mi
Last update 06 Jan 08:15 PM PST
Extended Forecast for

4 Miles E Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 16. West wind around 5 mph.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. West wind 5 to 10 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 10 percent chance of snow after 4am. Mostly clear, with a low around 12. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow before 10am. Sunny, with a high near 29. North 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 9. West wind around 5 mph.

    Low: 9 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 37. West wind around 5 mph becoming northeast in the afternoon.

    High: 37 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 14.

    Low: 14 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 16. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 37. West wind 5 to 10 mph.
Wednesday Night
A 10 percent chance of snow after 4am. Mostly clear, with a low around 12. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
A 20 percent chance of snow before 10am. Sunny, with a high near 29. North wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 9. West wind around 5 mph.
Friday
Sunny, with a high near 37. West wind around 5 mph becoming northeast in the afternoon.
Friday Night
Mostly clear, with a low around 14.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 22.
Tuesday
Sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Mammoth Lakes CA
 37.65°N 118.88°W (Elev. 7480 ft)
Last Update:
1:15 pm PST Jan 6, 2026
Forecast Valid:
8pm PST Jan 6, 2026-6pm PST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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