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

Strong Storm System Brings Heavy Mountain Snow to the Sierra Nevada and Critical Fire Weather Conditions to the Plains

A Pacific storm system will continue to bring low elevation rain and mountain snow to much of the West through Wednesday, with heavy mountain snow expected in the higher elevations of the Sierra Nevada. This system will also bring strong winds to the Intermountain West, Rockies, and Plains, which will create Critical fire weather conditions for the High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

ROCK CREEK (RCEC1)

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

NA

28°F

-2°C

Humidity 97%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 22 Apr 02:04 AM PDT
Extended Forecast for

16 Miles SE Mammoth Lakes CA

Winter Weather Advisory April 22, 03:13am until April 22, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 22, 03:13am until April 22, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 12 °F

    Slight Chance
    Snow Showers
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 38. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 38 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 48. West wind around 10 mph becoming north in the morning.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. West wind 5 to 10 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48. Southwest wind 5 to 15 mph.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers after 11am. Partly sunny, with a high near 44. Breezy.

    High: 44 °F

    Chance Snow
    Showers and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Partly cloudy, with a low around 12. Windy, with a southwest wind around 30 mph, with gusts as high as 45 mph.
Wednesday
Sunny, with a high near 38. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Wednesday Night
Mostly clear, with a low around 13. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 48. West wind around 10 mph becoming north in the morning.
Thursday Night
Partly cloudy, with a low around 20. West wind 5 to 10 mph.
Friday
Partly sunny, with a high near 48. Southwest wind 5 to 15 mph.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
A chance of snow showers after 11am. Partly sunny, with a high near 44. Breezy.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 18. Breezy.
Sunday
A chance of snow showers, mainly after 11am. Partly sunny, with a high near 43. Breezy.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 17. Breezy.
Monday
A slight chance of snow showers. Partly sunny, with a high near 45.
Monday Night
A slight chance of snow showers. Mostly cloudy, with a low around 20.
Tuesday
A chance of snow showers. Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Mammoth Lakes CA
 37.49°N 118.76°W (Elev. 10397 ft)
Last Update:
11:30 pm PDT Apr 21, 2026
Forecast Valid:
3am PDT Apr 22, 2026-6pm PDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation