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.

Clear

50°F

10°C

Humidity 25%
Wind Speed S 12 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Apr 12:35 AM PDT
Extended Forecast for

6 Miles SE 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
  • Overnight

    Overnight: Mostly clear, with a low around 29. Windy, with a south wind around 35 mph, with gusts as high as 55 mph.

    Low: 29 °F

    Mostly Clear
    and Windy

  • Tuesday

    Tuesday: Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible.  High near 34. Very windy, with a south wind around 40 mph, with gusts as high as 60 mph.  Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    High: 34 °F

    Heavy Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible.  Low around 15. Very windy, with a southwest wind 40 to 45 mph decreasing to 35 to 40 mph after midnight. Winds could gust as high as 65 mph.  Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    Low: 15 °F

    Heavy Snow
    and Very
    Windy

  • Wednesday

    Wednesday: A 30 percent chance of snow showers, mainly after 11am.  Mostly sunny, with a high near 29. 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.  Little or no snow accumulation expected.

    High: 29 °F

    Chance Snow
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 38. Southwest wind 10 to 15 mph.

    High: 38 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Breezy.

    Low: 25 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 29. Windy, with a south wind around 35 mph, with gusts as high as 55 mph.
Tuesday
Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible. High near 34. Very windy, with a south wind around 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Tuesday Night
Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 15. Very windy, with a southwest wind 40 to 45 mph decreasing to 35 to 40 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Wednesday
A 30 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 29. 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. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 16. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 38. Southwest wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 25. Breezy.
Saturday
A chance of snow showers, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 37.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Breezy.
Sunday
A chance of snow showers. Partly sunny, with a high near 37. Breezy.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 23. Breezy.
Monday
Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
11:30 pm PDT Apr 20, 2026
12am 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