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

34°F

1°C

Humidity 96%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 01 Jan 12:04 PM PST
Extended Forecast for

16 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

  • New Year's Day

    New Year's Day: Snow, mainly before 1pm. Temperature falling to around 26 by 5pm. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 39 °F⇓

    Snow and
    Breezy

  • Tonight

    Tonight: A 10 percent chance of snow before 7pm. Partly cloudy, with a low around 17. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 17 °F

    Slight Chance
    Snow and
    Breezy then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 41 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 50 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Windy. Chance
    Snow then
    Snow Likely

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 38. Very windy, with a south wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 38 °F

    Heavy Snow
    and Very
    Windy

  • Saturday Night

    Saturday Night: Snow showers, mainly before 4am, then snow likely after 4am. Some thunder is also possible. Low around 20. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow Showers
    and Windy

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 35. Windy. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.

    High: 35 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Cloudy, with a low around 18. Windy.

    Low: 18 °F

    Heavy Snow
    and Windy

  • Monday

    Monday: Snow. Mostly cloudy, with a high near 33. Windy.

    High: 33 °F

    Snow and
    Windy

Detailed Forecast

New Year's Day
Snow, mainly before 1pm. Temperature falling to around 26 by 5pm. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A 10 percent chance of snow before 7pm. Partly cloudy, with a low around 17. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 41. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 20. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 50 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 38. Very windy, with a south wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday Night
Snow showers, mainly before 4am, then snow likely after 4am. Some thunder is also possible. Low around 20. Windy, with a southwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 35. Windy. Chance of precipitation is 90%. New snow accumulation of 7 to 11 inches possible.
Sunday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 18. Windy.
Monday
Snow. Mostly cloudy, with a high near 33. Windy.
Monday Night
Snow likely. Mostly cloudy, with a low around 13. Breezy.
Tuesday
A chance of snow. Partly sunny, with a high near 32.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 12.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Mammoth Lakes CA
 37.49°N 118.76°W (Elev. 10397 ft)
Last Update:
9:15 am PST Jan 1, 2026
Forecast Valid:
12pm PST Jan 1, 2026-6pm PST Jan 7, 2026
 
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