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

3°F

-16°C

Humidity 84%
Wind Speed S 5 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 0°F (-18°C)
Visibility 2.50 mi
Wind Chill-7°F (-22°C)
Last update 07 Jan 02:55 AM PST
Extended Forecast for

4 Miles E Mammoth Lakes CA

  • Overnight

    Overnight: Partly cloudy, with a low around 15. Southwest wind around 5 mph.

    Low: 15 °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. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 12 °F

    Mostly Clear
    then Slight
    Chance Snow
    and Breezy

  • Thursday

    Thursday: A 20 percent chance of snow before 10am. Mostly sunny, with a high near 27. North wind around 15 mph.

    High: 27 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 7. West wind 5 to 10 mph.

    Low: 7 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 36. West wind around 5 mph becoming northeast in the afternoon.

    High: 36 °F

    Sunny

  • Friday Night

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

    Low: 14 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 15. Southwest 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. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
A 20 percent chance of snow before 10am. Mostly sunny, with a high near 27. North wind around 15 mph.
Thursday Night
Mostly clear, with a low around 7. West wind 5 to 10 mph.
Friday
Sunny, with a high near 36. West wind around 5 mph becoming northeast in the afternoon.
Friday Night
Mostly clear, with a low around 14.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 45.
Monday Night
Clear, with a low around 23.
Tuesday
Sunny, with a high near 48.
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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:
1:50 am PST Jan 7, 2026
Forecast Valid:
3am PST Jan 7, 2026-6pm PST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation