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

30°F

-1°C

Humidity 92%
Wind Speed WNW 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 02 Jan 01:55 PM PST
Extended Forecast for

9 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: Mostly sunny, with a high near 38. Southwest wind around 10 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow, mainly after 4am. Low around 24. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Breezy.
    Partly Cloudy
    then Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 36. South wind around 15 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 36 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 22. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °F

    Snow Likely

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 32. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 32 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 16. Southwest wind around 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Heavy Snow
    then Chance
    Snow

  • Monday

    Monday: A 40 percent chance of snow. Partly sunny, with a high near 31. Little or no snow accumulation expected.

    High: 31 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °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

This Afternoon
Mostly sunny, with a high near 38. Southwest wind around 10 mph.
Tonight
Snow, mainly after 4am. Low around 24. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow. The snow could be heavy at times. High near 36. South wind around 15 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 22. Southwest wind around 15 mph, with gusts as high as 30 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 32. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow, mainly before 10pm. The snow could be heavy at times. Low around 16. Southwest wind around 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 31. Little or no snow accumulation expected.
Monday Night
A chance of snow. Mostly cloudy, with a low around 13.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
A slight chance of snow. Partly sunny, with a high near 31.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 8.
Thursday
A chance of snow. Mostly sunny, with a high near 26.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Mammoth Lakes CA
 37.59°N 118.81°W (Elev. 9140 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

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