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

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

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

NA

24°F

-4°C

Humidity 74%
Wind Speed N 50 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill3°F (-16°C)
Last update 21 Apr 02:20 AM PDT
Extended Forecast for

2 Miles W 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: Partly cloudy, with a low around 27. Windy, with a southwest wind around 35 mph, with gusts as high as 50 mph.

    Low: 27 °F

    Partly Cloudy
    and Windy

  • Tuesday

    Tuesday: Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible.  High near 32. Very windy, with a southwest wind 35 to 40 mph, with gusts as high as 60 mph.  Chance of precipitation is 90%. New snow accumulation of 10 to 14 inches possible.

    High: 32 °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 30 to 35 mph after midnight. Winds could gust as high as 65 mph.  Chance of precipitation is 90%. New snow accumulation of 10 to 16 inches possible.

    Low: 15 °F

    Heavy Snow
    and Very
    Windy

  • Wednesday

    Wednesday: A 30 percent chance of snow showers, mainly after 11am.  Partly sunny, with a high near 28. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph in the morning. Winds could gust as high as 40 mph.  Little or no snow accumulation expected.

    High: 28 °F

    Chance Snow
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 16. West wind 10 to 15 mph.

    Low: 16 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 38. West wind around 10 mph.

    High: 38 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

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

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 27. Windy, with a southwest wind around 35 mph, with gusts as high as 50 mph.
Tuesday
Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible. High near 32. Very windy, with a southwest wind 35 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 14 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 30 to 35 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 10 to 16 inches possible.
Wednesday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 28. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph in the morning. Winds could gust as high as 40 mph. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 16. West wind 10 to 15 mph.
Thursday
Sunny, with a high near 38. West wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 38.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A chance of snow showers after 11am. Some thunder is also possible. Partly sunny, with a high near 36.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 25.
Sunday
A chance of snow showers. Partly sunny, with a high near 35.
Sunday Night
A slight chance of snow showers. Partly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 38.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Mammoth Lakes CA
 37.63°N 119.02°W (Elev. 9872 ft)
11:30 pm PDT Apr 20, 2026
2am 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