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

Top of 22 (MTH02)

Lat: 37.63707°NLon: 119.0174°WElev: 10100.0ft.

NA

25°F

-4°C

Humidity 98%
Wind Speed S 25 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill9°F (-13°C)
Last update 02 Jan 03:05 AM PST
Extended Forecast for

3 Miles NW 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 23. Southwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after 4am. The snow could be heavy at times. Increasing clouds, with a low around 27. Southwest wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 27 °F

    Partly Cloudy
    then Heavy
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 33. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.

    High: 33 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 28. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 28 °F

    Heavy Snow
    and Breezy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 30. Southwest wind around 15 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 13 to 19 inches possible.

    High: 30 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 10pm. The snow could be heavy at times. Low around 22. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.

    Low: 22 °F

    Heavy Snow
    then Chance
    Snow

  • Monday

    Monday: A chance of snow. Partly sunny, with a high near 29.

    High: 29 °F

    Chance Snow

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Southwest wind around 5 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 36. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Friday Night
Snow likely, mainly after 4am. The snow could be heavy at times. Increasing clouds, with a low around 27. Southwest wind around 15 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. The snow could be heavy at times. High near 33. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 11 to 17 inches possible.
Saturday Night
Snow, mainly before 10pm. The snow could be heavy at times. Low around 28. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 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 30. Southwest wind around 15 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 13 to 19 inches possible.
Sunday Night
Snow, mainly before 10pm. The snow could be heavy at times. Low around 22. Chance of precipitation is 80%. New snow accumulation of 4 to 8 inches possible.
Monday
A chance of snow. Partly sunny, with a high near 29.
Monday Night
A chance of snow. Mostly cloudy, with a low around 17.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
A chance of snow. Partly sunny, with a high near 29.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 12.
Thursday
A chance of snow. Mostly sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Mammoth Lakes CA
 37.65°N 119.03°W (Elev. 8809 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation