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

21°F

-6°C

Humidity 79%
Wind Speed N 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 02 Jan 03:15 AM PST
Extended Forecast for

7 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

  • Overnight

    Overnight: Mostly cloudy, with a low around 17. South wind around 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. West wind 5 to 10 mph becoming northeast in the morning.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow after 1am, mixing with rain after 4am. Partly cloudy, with a low around 23. South wind around 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Rain and snow before 8am, then snow between 8am and 9am, then rain and snow after 9am. Snow level 7700 feet. High near 39. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Rain/Snow and
    Breezy

  • Saturday Night

    Saturday Night: Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 25. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Rain/Snow
    Likely and
    Breezy then
    Snow Likely

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 37 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 18 °F

    Snow Likely

  • Monday

    Monday: A chance of snow. Partly sunny, with a high near 37.

    High: 37 °F

    Chance Snow

  • Monday Night

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

    Low: 14 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 17. South wind around 5 mph.
Friday
Mostly sunny, with a high near 41. West wind 5 to 10 mph becoming northeast in the morning.
Friday Night
A chance of snow after 1am, mixing with rain after 4am. Partly cloudy, with a low around 23. South wind around 10 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
Rain and snow before 8am, then snow between 8am and 9am, then rain and snow after 9am. Snow level 7700 feet. High near 39. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Saturday Night
Rain and snow likely, becoming all snow after 7pm. Mostly cloudy, with a low around 25. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 18. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Monday
A chance of snow. Partly sunny, with a high near 37.
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 37.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
A chance of snow. Partly sunny, with a high near 37.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 11.
Thursday
A chance of snow. Mostly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Mammoth Lakes CA
 37.63°N 118.85°W (Elev. 7152 ft)
Last Update:
1:15 am PST Jan 2, 2026
Forecast Valid:
3am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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