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.

Clear

14°F

-10°C

Humidity 92%
Wind Speed N 4 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 12°F (-11°C)
Visibility 9.00 mi
Wind Chill7°F (-14°C)
Last update 02 Jan 06:55 AM PST
Extended Forecast for

10 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

  • Today

    Today: Mostly sunny, with a high near 38. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 38 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: A 40 percent chance of snow after 1am. Partly cloudy, with a low around 25. Very windy, with a southwest wind 35 to 40 mph, with gusts as high as 60 mph. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Very Windy.
    Partly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Snow, mainly after 7am. The snow could be heavy at times. High near 36. Windy, with a south wind around 35 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 36 °F

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Very windy, with a southwest wind 40 to 45 mph, with gusts as high as 70 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Snow Likely
    and Very
    Windy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 33. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    High: 33 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 18. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 18 °F

    Heavy Snow
    and Windy

  • Monday

    Monday: A 50 percent chance of snow. Partly sunny, with a high near 32. Windy. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Chance Snow
    and Windy

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow. Mostly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow

Detailed Forecast

Today
Mostly sunny, with a high near 38. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
A 40 percent chance of snow after 1am. Partly cloudy, with a low around 25. Very windy, with a southwest wind 35 to 40 mph, with gusts as high as 60 mph. New snow accumulation of less than one inch possible.
Saturday
Snow, mainly after 7am. The snow could be heavy at times. High near 36. Windy, with a south wind around 35 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Saturday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 23. Very windy, with a southwest wind 40 to 45 mph, with gusts as high as 70 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 33. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Sunday Night
Snow likely, mainly before 10pm. The snow could be heavy at times. Mostly cloudy, with a low around 18. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 32. Windy. New snow accumulation of 1 to 2 inches possible.
Monday Night
A chance of snow. Mostly cloudy, with a low around 14.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
A chance of snow. Partly sunny, with a high near 31. Breezy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 10. Breezy.
Thursday
A chance of snow. Mostly sunny, with a high near 27. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Mammoth Lakes CA
 37.57°N 118.81°W (Elev. 10469 ft)
Last Update:
5:31 am PST Jan 2, 2026
Forecast Valid:
7am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation