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

50°F

10°C

Humidity 29%
Wind Speed S 12 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 21 Apr 03:15 AM PDT
Extended Forecast for

12 Miles ESE 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 33. South wind around 10 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain showers before 11am, then rain and snow showers likely between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible.  Snow level 8400 feet lowering to 7600 feet in the afternoon . High near 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 51 °F

    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 11pm. Some thunder is also possible.  Low around 21. Breezy, with a southwest 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 2 to 4 inches 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 44. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 44 °F

    Slight Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22. West wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.

    Low: 22 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Calm wind becoming west around 5 mph.

    High: 52 °F

    Sunny

  • Thursday Night

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

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 33. South wind around 10 mph.
Tuesday
A chance of rain showers before 11am, then rain and snow showers likely between 11am and 2pm, then snow showers after 2pm. Some thunder is also possible. Snow level 8400 feet lowering to 7600 feet in the afternoon . High near 51. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow showers, mainly before 11pm. Some thunder is also possible. Low around 21. Breezy, with a southwest 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 2 to 4 inches possible.
Wednesday
A 20 percent chance of snow showers. Mostly sunny, with a high near 44. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 22. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 52. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Snow level rising to 8100 feet in the afternoon. Partly sunny, with a high near 52.
Saturday Night
A chance of showers. Snow level 8300 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 30.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Mammoth Lakes CA
 37.57°N 118.78°W (Elev. 7585 ft)
11:30 pm PDT Apr 20, 2026
3am 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