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

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Overcast

48°F

9°C

Humidity 34%
Wind Speed S 8 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 21 Apr 06:35 AM PDT
Extended Forecast for

8 Miles ENE Mammoth Lakes CA

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

    NOW until 5:00pm Wed

    Winter Weather Advisory

  • Today

    High: 53 °F

    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Snow showers, mainly before 11pm. Some thunder is also possible.  Low around 21. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Snow Showers
    and Breezy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: A 20 percent chance of snow showers.  Mostly sunny, with a high near 46. West wind 5 to 10 mph.

    High: 46 °F

    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. West wind 5 to 10 mph becoming light  in the evening.

    Low: 20 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. Calm wind becoming northwest around 5 mph.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

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

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of rain showers between 8am and 11am, then rain and snow showers. Some thunder is also possible. Snow level 8300 feet lowering to 7400 feet in the afternoon . High near 53. Breezy, with an east wind 15 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow showers, mainly before 11pm. Some thunder is also possible. Low around 21. Breezy, with a west wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday
A 20 percent chance of snow showers. Mostly sunny, with a high near 46. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 20. West wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 55. Calm wind becoming northwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 26. Northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 29.
Saturday
A slight chance of showers and thunderstorms after 11am. Snow level 7300 feet rising to 8000 feet in the afternoon. Partly sunny, with a high near 55.
Saturday Night
A slight chance of showers before 11pm. Snow level 8200 feet lowering to 7300 feet after midnight . Mostly cloudy, with a low around 28.
Sunday
A slight chance of rain and snow showers. Snow level rising to 7800 feet in the afternoon. Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 26.
Monday
A slight chance of rain and snow showers. Snow level rising to 7800 feet in the afternoon. Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Mammoth Lakes CA
 37.68°N 118.83°W (Elev. 7047 ft)
4:30 am PDT Apr 21, 2026
6am PDT Apr 21, 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