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

28°F

-2°C

Humidity 68%
Wind Speed N 0 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 12 Feb 11:15 AM PST
Extended Forecast for

8 Miles E Mammoth Lakes CA

  • Today

    Today: A 20 percent chance of snow after 1pm.  Mostly sunny, with a high near 35. Calm wind becoming northwest around 5 mph.

    High: 35 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Mostly clear, with a low around 10. West wind around 5 mph becoming calm.

    Low: 10 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 38. Calm wind.

    High: 38 °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 42. South wind 5 to 10 mph.

    High: 42 °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 38.

    High: 38 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Snow, mainly after 4am.  Increasing clouds, with a low around 15.

    Low: 15 °F

    Snow

  • Washington's Birthday

    Washington's Birthday: Snow. The snow could be heavy at times.  Cloudy, with a high near 31.

    High: 31 °F

    Heavy Snow

Detailed Forecast

Today
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 35. Calm wind becoming northwest around 5 mph.
Tonight
Mostly clear, with a low around 10. West wind around 5 mph becoming calm.
Friday
Sunny, with a high near 38. Calm wind.
Friday Night
Partly cloudy, with a low around 16. Calm wind.
Saturday
Mostly sunny, with a high near 42. South wind 5 to 10 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 38.
Sunday Night
Snow, mainly after 4am. Increasing clouds, with a low around 15.
Washington's Birthday
Snow. The snow could be heavy at times. Cloudy, with a high near 31.
Monday Night
Snow. Cloudy, with a low around 12.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 27.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 8.
Wednesday
A chance of snow. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Mammoth Lakes CA
 37.66°N 118.83°W (Elev. 7195 ft)
11:32 am PST Feb 12, 2026
11am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database