Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

40°F

4°C

Humidity 39%
Wind Speed W 5 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill36°F (2°C)
Last update 20 Apr 09:45 PM PDT
Extended Forecast for

Mammoth Lakes CA

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

    Tonight: Mostly clear, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible.  High near 44. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 44 °F

    Heavy Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible.  Low around 20. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 20 °F

    Heavy Snow
    and Breezy
    then Heavy
    Snow

  • Wednesday

    Wednesday: A 30 percent chance of snow showers, mainly after 11am.  Mostly sunny, with a high near 41. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.  Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. West wind around 5 mph becoming calm  in the evening. Winds could gust as high as 20 mph.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 50. Calm wind becoming west around 5 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Tuesday
Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible. High near 44. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 20. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Wednesday
A 30 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 41. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 19. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 50. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 29.
Saturday
A chance of snow showers after 11am. Some thunder is also possible. Partly sunny, with a high near 49.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 28.
Sunday
A chance of snow showers. Mostly sunny, with a high near 49.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 51.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.66°N 118.97°W (Elev. 8301 ft)
8:27 pm PDT Apr 20, 2026
10pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database