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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

N/A

Humidity NA
Wind Speed NA NA MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Mammoth Lakes CA

  • Today

    Today: A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 38. Calm wind becoming north around 5 mph.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 17. West wind around 5 mph becoming calm.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 42. Calm wind.

    High: 42 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow, mainly after 4pm. Mostly sunny, with a high near 41. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly after 10pm. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Snow Likely

  • Washington's Birthday

    Washington's Birthday: Snow. The snow could be heavy at times. Cloudy, with a high near 34.

    High: 34 °F

    Heavy Snow

Detailed Forecast

Today
A 20 percent chance of snow showers after 1pm. Mostly sunny, with a high near 38. Calm wind becoming north around 5 mph.
Tonight
Partly cloudy, with a low around 17. West wind around 5 mph becoming calm.
Friday
Sunny, with a high near 42. Calm wind.
Friday Night
Mostly clear, with a low around 22. Calm wind.
Saturday
Mostly sunny, with a high near 45. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 22. Southwest wind around 10 mph, with gusts as high as 25 mph.
Sunday
A 30 percent chance of snow, mainly after 4pm. Mostly sunny, with a high near 41. New snow accumulation of less than a half inch possible.
Sunday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 22.
Washington's Birthday
Snow. The snow could be heavy at times. Cloudy, with a high near 34.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 19.
Tuesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 29.
Tuesday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 14.
Wednesday
A chance of snow. The snow could be heavy at times. Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.64°N 118.97°W (Elev. 7913 ft)
Last Update:
1:53 am PST Feb 12, 2026
Forecast Valid:
5am PST Feb 12, 2026-6pm PST Feb 18, 2026
 
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Additional Resources

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Chance of Precipitation