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 >

Current conditions at

Top Stn/Summit - 11,053ft (MTH03)

Lat: 37.63059°NLon: 119.03282°WElev: 11034.0ft.

NA

16°F

-9°C

Humidity 93%
Wind Speed S 26 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill-3°F (-19°C)
Last update 21 Apr 06:40 PM PDT
Extended Forecast for

2 Miles W Mammoth Lakes CA

Winter Weather Advisory April 21, 06:47pm until April 22, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 21, 06:47pm until April 22, 05:00pm

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Tonight

    Low: 15 °F

    Heavy Snow
    and Windy

  • Wednesday

    Wednesday: A chance of snow showers before 8am, then a slight chance of snow showers after 11am.  Mostly sunny, with a high near 28. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph.  Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    High: 28 °F

    Chance Snow
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. Southwest wind around 10 mph.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 39. West wind 5 to 10 mph.

    High: 39 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind around 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. Southwest wind 10 to 15 mph.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers after 11am. Some thunder is also possible.  Partly sunny, with a high near 33.

    High: 33 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Snow showers, mainly before 2am. The snow could be heavy at times. Some thunder is also possible. Low around 15. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 13 to 19 inches possible.
Wednesday
A chance of snow showers before 8am, then a slight chance of snow showers after 11am. Mostly sunny, with a high near 28. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 45 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly clear, with a low around 16. Southwest wind around 10 mph.
Thursday
Sunny, with a high near 39. West wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind around 10 mph.
Friday
Mostly sunny, with a high near 38. Southwest wind 10 to 15 mph.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A chance of snow showers after 11am. Some thunder is also possible. Partly sunny, with a high near 33.
Saturday Night
A chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 23.
Sunday
A chance of snow showers after 11am. Partly sunny, with a high near 33.
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 37.
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 37.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Mammoth Lakes CA
 37.63°N 119.02°W (Elev. 9872 ft)
4:30 pm PDT Apr 21, 2026
6pm PDT Apr 21, 2026-6pm PDT Apr 28, 2026
 
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Additional Resources

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