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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

24°F

-4°C

Humidity 91%
Wind Speed SW 4 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 22 Apr 02:00 AM PDT
Extended Forecast for

3 Miles ENE Mammoth Lakes CA

Winter Weather Advisory April 22, 02:29am until April 22, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 22, 02:29am until April 22, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 21 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A 20 percent chance of snow showers after 11am. Sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 41 °F

    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. West wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53. Calm wind becoming north around 5 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. North wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow showers after 11am, mixing with rain after 2pm. Partly sunny, with a high near 47.

    High: 47 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Partly cloudy, with a low around 21. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of snow showers after 11am. Sunny, with a high near 41. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 18. West wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 53. Calm wind becoming north around 5 mph.
Thursday Night
Partly cloudy, with a low around 25. North wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 27.
Saturday
A chance of snow showers after 11am, mixing with rain after 2pm. Partly sunny, with a high near 47.
Saturday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 24.
Sunday
A chance of snow showers after 11am. Partly sunny, with a high near 47.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 22.
Monday
A slight chance of snow showers. Mostly sunny, with a high near 49.
Monday Night
A slight chance of snow showers. Mostly cloudy, with a low around 25.
Tuesday
A chance of snow showers. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mammoth Lakes CA
 37.67°N 118.92°W (Elev. 7694 ft)
Last Update:
11:30 pm PDT Apr 21, 2026
Forecast Valid:
2am 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation