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

34°F

1°C

Humidity 44%
Wind Speed W 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 14°F (-10°C)
Visibility NA
Last update 02 Jan 10:00 PM 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

  • Tonight

    Tonight: A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 29. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow and
    Breezy

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 40. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 40 °F

    Heavy Snow
    and Breezy

  • Saturday Night

    Saturday Night: Snow. The snow could be heavy at times. Low around 28. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 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 8 to 12 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 30 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. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.

    High: 35 °F

    Chance Snow

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 18. Little or no snow accumulation expected.

    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

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 20.

    Low: 20 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 29. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 40. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Saturday Night
Snow. The snow could be heavy at times. Low around 28. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 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 8 to 12 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 30 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. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. Little or no snow accumulation expected.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 38.
Tuesday Night
Increasing clouds, with a low around 20.
Wednesday
A chance of snow after 10am. Partly sunny, with a high near 36.
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.
Thursday Night
Mostly clear, with a low around 11.
Friday
Sunny, with a high near 36.
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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:
9:16 pm PST Jan 2, 2026
Forecast Valid:
10pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation