National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Hazardous Weather Conditions

Current conditions at

ROCK CREEK (RCEC1)

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

NA

32°F

0°C

Humidity 94%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 01 Jan 04:04 PM PST
Extended Forecast for

14 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 16. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 16 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 35. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after 4am. Increasing clouds, with a low around 19. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Windy. Chance
    Snow then
    Snow Likely

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 32. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 32 °F

    Heavy Snow
    and Windy

  • Saturday Night

    Saturday Night: Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 18. 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 3 to 5 inches possible.

    Low: 18 °F

    Heavy Snow
    and Windy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 29. 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 12 to 18 inches possible.

    High: 29 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow, mainly before 4am. The snow could be heavy at times. Low around 13. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 13 °F

    Heavy Snow
    and Breezy

  • Monday

    Monday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 27. Breezy.

    High: 27 °F

    Snow Likely
    and Breezy

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 16. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Friday
Sunny, with a high near 35. Southwest wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Snow likely, mainly after 4am. Increasing clouds, with a low around 19. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow. The snow could be heavy at times. High near 32. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 18. 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 3 to 5 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 29. 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 12 to 18 inches possible.
Sunday Night
Snow, mainly before 4am. The snow could be heavy at times. Low around 13. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 27. Breezy.
Monday Night
A chance of snow. Mostly cloudy, with a low around 11.
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 11.
Wednesday
A chance of snow. Partly sunny, with a high near 30.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 9. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 24. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Mammoth Lakes CA
 37.51°N 118.77°W (Elev. 11096 ft)
Last Update:
1:16 pm PST Jan 1, 2026
Forecast Valid:
4pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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