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

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

29°F

-2°C

Humidity 94%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 01 Jan 07:04 PM PST
Extended Forecast for

18 Miles SE 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

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 18 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 36. South wind around 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after 4am. Partly cloudy, with a low around 22. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 22 °F

    Windy. Slight
    Chance Snow
    then Snow
    Likely

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 32. Windy, with a south wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 32 °F

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow likely. Mostly cloudy, with a low around 21. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Snow Likely
    and Windy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 30. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    High: 30 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow, mainly before 4am. The snow could be heavy at times. Low around 16. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 16 °F

    Heavy Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly after 10am. Partly sunny, with a high near 29.

    High: 29 °F

    Snow Likely

  • Monday Night

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

    Low: 14 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Friday
Mostly sunny, with a high near 36. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Snow likely, mainly after 4am. Partly cloudy, with a low around 22. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow. The snow could be heavy at times. High near 32. Windy, with a south wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
Snow likely. Mostly cloudy, with a low around 21. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 30. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Sunday Night
Snow, mainly before 4am. The snow could be heavy at times. Low around 16. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow likely, mainly after 10am. Partly sunny, with a high near 29.
Monday Night
A chance of snow. Mostly cloudy, with a low around 14.
Tuesday
A chance of snow. Partly sunny, with a high near 28.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 14.
Wednesday
A chance of snow. Mostly sunny, with a high near 31.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 12. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 26. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SE Mammoth Lakes CA
 37.49°N 118.71°W (Elev. 10049 ft)
Last Update:
1:16 pm PST Jan 1, 2026
Forecast Valid:
7pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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