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

Heavy Snow in the Northwest; Wintry Mix from the Great Lakes to Northeast

Two cold fronts will pass through the Northwest U.S. this week with the main impact being heavy mountain snow across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain to the Upper Midwest and Great Lakes today then the Northeast U.S. tonight into Wednesday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

18°F

-8°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 06 Jan 04:35 PM PST
Extended Forecast for

10 Miles E Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Calm wind becoming west around 5 mph.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Calm wind becoming west around 5 mph in the morning.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 10 °F

    Mostly Clear
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 10 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 43.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. Calm wind becoming west around 5 mph.
Wednesday
Mostly sunny, with a high near 38. Calm wind becoming west around 5 mph in the morning.
Wednesday Night
A 10 percent chance of snow after 4am. Mostly clear, with a low around 10. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A 10 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 43.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, 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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles E Mammoth Lakes CA
 37.66°N 118.8°W (Elev. 6998 ft)
Last Update:
1:15 pm PST Jan 6, 2026
Forecast Valid:
4pm PST Jan 6, 2026-6pm PST Jan 13, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation