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 30.01 in (1016.26 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 22 Apr 02:16 AM PDT
Extended Forecast for

4 Miles SE Mammoth Lakes CA

Winter Weather Advisory April 22, 02:41am until April 22, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 22, 02:41am until April 22, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 20 °F

    Slight Chance
    Snow Showers
    and Breezy

  • Wednesday

    Wednesday: A 20 percent chance of snow showers after 11am. Sunny, with a high near 37. Southwest wind around 15 mph, with gusts as high as 35 mph.

    High: 37 °F

    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 49. West wind around 5 mph becoming calm.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. West wind around 5 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of snow showers after 11am, mixing with rain after 5pm. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

Detailed Forecast

Overnight
A 20 percent chance of snow showers. Partly cloudy, with a low around 20. Breezy, with a southwest wind around 20 mph, with gusts as high as 40 mph.
Wednesday
A 20 percent chance of snow showers after 11am. Sunny, with a high near 37. Southwest wind around 15 mph, with gusts as high as 35 mph.
Wednesday Night
Mostly clear, with a low around 19. West wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 49. West wind around 5 mph becoming calm.
Thursday Night
Partly cloudy, with a low around 28. West wind around 5 mph.
Friday
Partly sunny, with a high near 48. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A chance of snow showers after 11am, mixing with rain after 5pm. Partly sunny, with a high near 43.
Saturday Night
A chance of rain and snow showers before 8pm, then a chance of snow showers. Mostly cloudy, with a low around 25. Breezy.
Sunday
A chance of snow showers, mainly after 11am. Partly sunny, with a high near 42.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 24. Breezy.
Monday
A slight chance of snow showers. Mostly sunny, with a high near 45.
Monday Night
A slight chance of snow showers. Mostly cloudy, with a low around 26.
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:
4 Miles SE Mammoth Lakes CA
 37.6°N 118.9°W (Elev. 9449 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation