Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

32°F

0°C

Humidity 100%
Wind Speed ESE 9 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill24°F (-4°C)
Last update 26 Dec 04:04 AM PST
Extended Forecast for

18 Miles SE Mammoth Lakes CA

Winter Storm Warning December 26, 05:06am until December 26, 04:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 26, 05:06am until December 26, 04:00pm

    NOW until 4:00pm Fri

    Winter Storm Warning

  • Overnight

    Low: 20 °F

    Heavy Snow
    and Patchy
    Fog

  • Friday

    Friday: Snow before 10am, then snow showers between 10am and 1pm, then snow likely after 1pm. The snow could be heavy at times. Some thunder is also possible.  Patchy fog before 7am. Areas of freezing fog between 7am and 10am. High near 28. Very windy, with a southwest wind 35 to 45 mph decreasing to 25 to 35 mph in the afternoon. Winds could gust as high as 65 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 28 °F

    Heavy Snow
    and Areas
    Freezing Fog

  • Friday Night

    Friday Night: A 30 percent chance of snow before 7pm.  Mostly clear, with a low around 8. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Low: 8 °F

    Chance Snow
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 27. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 9. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.

    Low: 9 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 32. Breezy.

    High: 32 °F

    Sunny and
    Breezy then
    Sunny

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Patchy fog. Low around 20. Very windy, with a southwest wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.
Friday
Snow before 10am, then snow showers between 10am and 1pm, then snow likely after 1pm. The snow could be heavy at times. Some thunder is also possible. Patchy fog before 7am. Areas of freezing fog between 7am and 10am. High near 28. Very windy, with a southwest wind 35 to 45 mph decreasing to 25 to 35 mph in the afternoon. Winds could gust as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Friday Night
A 30 percent chance of snow before 7pm. Mostly clear, with a low around 8. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Saturday
Sunny, with a high near 27. Northwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 9. Breezy, with a west wind around 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 29. West wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 9.
Monday
Sunny, with a high near 32. Breezy.
Monday Night
Clear, with a low around 11.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
A slight chance of snow. Partly cloudy, with a low around 23.
New Year's Day
A chance of snow. Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles SE Mammoth Lakes CA
 37.49°N 118.71°W (Elev. 10049 ft)
1:15 am PST Dec 26, 2025
5am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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