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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

25°F

-4°C

Humidity 88%
Wind Speed W 0 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Last update 02 Jan 08:01 AM PST
Extended Forecast for

Mammoth Lakes CA

Winter Storm Warning January 3, 12:00am until January 5, 10:00am
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Sunny, with a high near 43. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Snow likely, mainly after 4am. Increasing clouds, with a low around 29. Southwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Mostly Clear
    then Snow
    Likely

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 40. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 40 °F

    Heavy Snow
    and Breezy

  • Saturday Night

    Saturday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 28. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Heavy Snow
    and Breezy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 36. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 14 inches possible.

    High: 36 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 22. Southwest wind around 10 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 22 °F

    Heavy Snow
    then Chance
    Snow

  • Monday

    Monday: A 50 percent chance of snow. Partly sunny, with a high near 35. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow. Mostly sunny, with a high near 38.

    High: 38 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Sunny, with a high near 43. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Tonight
Snow likely, mainly after 4am. Increasing clouds, with a low around 29. Southwest wind around 10 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow. The snow could be heavy at times. High near 40. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow, mainly before 10pm. The snow could be heavy at times. Low around 28. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 36. Southwest wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 14 inches possible.
Sunday Night
Snow, mainly before 10pm. The snow could be heavy at times. Low around 22. Southwest wind around 10 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 35. New snow accumulation of 1 to 2 inches possible.
Monday Night
A chance of snow. Mostly cloudy, with a low around 18.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 38.
Tuesday Night
Partly cloudy, with a low around 20.
Wednesday
A chance of snow. Partly sunny, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 13.
Thursday
A chance of snow. Mostly sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.64°N 118.97°W (Elev. 7913 ft)
Last Update:
5:31 am PST Jan 2, 2026
Forecast Valid:
8am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation