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

Lake Effect Snow in the Lower Great Lakes; Unsettled Pattern in the Pacific Northwest

Lake-effect snow will continue downwind of Lakes Erie and Ontario through Friday. Lake Effect Snow Warnings have been issued. In the Western U.S., rain and higher elevation snow will continue over the Great Basin through Friday. A front will move over the Pacific Northwest this afternoon and produce light rain and higher elevation snow over the Cascades through Saturday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Partly Cloudy

30°F

-1°C

Humidity 74%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 12 Feb 12:55 PM PST
Extended Forecast for

7 Miles ESE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Mostly sunny, with a high near 35. Northwest wind around 5 mph.

    High: 35 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly clear, with a low around 10. Calm wind.

    Low: 10 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 39. Calm wind.

    High: 39 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 16. Calm wind.

    Low: 16 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16. Southwest wind 5 to 10 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 10am. Mostly sunny, with a high near 39.

    High: 39 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow. Increasing clouds, with a low around 15.

    Low: 15 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Snow. The snow could be heavy at times. Cloudy, with a high near 32.

    High: 32 °F

    Heavy Snow

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Mostly sunny, with a high near 35. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 10. Calm wind.
Friday
Sunny, with a high near 39. Calm wind.
Friday Night
Partly cloudy, with a low around 16. Calm wind.
Saturday
Mostly sunny, with a high near 43. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 16. Southwest wind 5 to 10 mph.
Sunday
A 20 percent chance of snow after 10am. Mostly sunny, with a high near 39.
Sunday Night
A chance of snow. Increasing clouds, with a low around 15.
Washington's Birthday
Snow. The snow could be heavy at times. Cloudy, with a high near 32.
Monday Night
Snow. Cloudy, with a low around 13.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 28.
Tuesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 8.
Wednesday
A chance of snow. Partly sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Mammoth Lakes CA
 37.61°N 118.85°W (Elev. 7372 ft)
Last Update:
11:32 am PST Feb 12, 2026
Forecast Valid:
1pm PST Feb 12, 2026-6pm PST Feb 18, 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