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

Mammoth Yosemite Airport (KMMH)

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

Overcast

28°F

-2°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 02 Jan 02:15 PM PST
Extended Forecast for

5 Miles ESE 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

  • This Afternoon

    This Afternoon: Sunny, with a high near 34. Breezy, with a southwest wind around 25 mph, with gusts as high as 35 mph.

    High: 34 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: A 50 percent chance of snow after 1am. Increasing clouds, with a low around 23. Very windy, with a south wind around 40 mph, with gusts as high as 60 mph. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Very Windy.
    Partly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 30. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.

    High: 30 °F

    Heavy Snow
    and Very
    Windy

  • Saturday Night

    Saturday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 22. Very windy, with a southwest wind around 40 mph, with gusts as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 22 °F

    Heavy Snow
    and Very
    Windy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 25. Very windy, with a southwest wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 14 inches possible.

    High: 25 °F

    Heavy Snow
    and Very
    Windy

  • Sunday Night

    Sunday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 16. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    Low: 16 °F

    Windy. Heavy
    Snow then
    Chance Snow

  • Monday

    Monday: A 50 percent chance of snow. Partly sunny, with a high near 25. Windy. New snow accumulation of less than one inch possible.

    High: 25 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 12. Breezy.

    Low: 12 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: A slight chance of snow. Mostly sunny, with a high near 26.

    High: 26 °F

    Slight Chance
    Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 34. Breezy, with a southwest wind around 25 mph, with gusts as high as 35 mph.
Tonight
A 50 percent chance of snow after 1am. Increasing clouds, with a low around 23. Very windy, with a south wind around 40 mph, with gusts as high as 60 mph. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 30. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 15 to 21 inches possible.
Saturday Night
Snow, mainly before 10pm. The snow could be heavy at times. Low around 22. Very windy, with a southwest wind around 40 mph, with gusts as high as 65 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 25. Very windy, with a southwest wind around 40 mph, with gusts as high as 60 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 16. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 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 25. Windy. New snow accumulation of less than one inch possible.
Monday Night
A chance of snow. Mostly cloudy, with a low around 12. Breezy.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
A chance of snow. Partly sunny, with a high near 25. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 8. Windy.
Thursday
A chance of snow. Partly sunny, with a high near 20. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
Last Update:
1:16 pm PST Jan 2, 2026
Forecast Valid:
2pm PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation