National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

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

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

NA

26°F

-3°C

Humidity 63%
Wind Speed SSW 22 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill12°F (-11°C)
Last update 20 Apr 03:50 AM PDT
Extended Forecast for

2 Miles W Mammoth Lakes CA

Winter Storm Watch April 21, 05:00am until April 22, 05:00pm
Lake Wind Advisory April 20, 11:00am until April 20, 10:00pm
Click here for hazard details and duration
Winter Storm Watch
Lake Wind Advisory

  • Today

    Today: Mostly sunny, with a high near 42. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 28. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 50 mph.

    Low: 28 °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 32. Windy, with a south wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow
    and Windy

  • Tuesday Night

    Tuesday Night: Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 18. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 18 °F

    Heavy Snow
    and Very
    Windy then
    Chance Snow
    Showers and
    Windy

  • Wednesday

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

    High: 30 °F

    Chance Snow
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 18. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 37.

    High: 37 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 42. Breezy, with a southwest wind around 25 mph, with gusts as high as 40 mph.
Tonight
Mostly clear, with a low around 28. Windy, with a southwest wind 25 to 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. Windy, with a south wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Tuesday Night
Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 18. Very windy, with a southwest wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Wednesday
A 30 percent chance of snow showers, mainly before 11am. Mostly sunny, with a high near 30. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 40 mph. Little or no snow accumulation expected.
Wednesday Night
Mostly clear, with a low around 18. Southwest wind around 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 38.
Saturday Night
A slight chance of snow showers. Mostly cloudy, with a low around 26.
Sunday
A chance of snow showers. Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Mammoth Lakes CA
 37.63°N 119.02°W (Elev. 9872 ft)
Last Update:
3:00 am PDT Apr 20, 2026
Forecast Valid:
4am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation