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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

52°F

11°C

Humidity 25%
Wind Speed NW 5 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 17°F (-8°C)
Visibility NA
Last update 20 Apr 01:15 PM PDT
Extended Forecast for

5 Miles SSE Mammoth Lakes CA

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

    NOW until 10:00pm Mon

    Lake Wind Advisory

  • This Afternoon

    High: 39 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 23. Windy, with a south wind 30 to 35 mph, with gusts as high as 55 mph.

    Low: 23 °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 29. Very windy, with a south wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

    High: 29 °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 11. Very windy, with a southwest wind 35 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 11 °F

    Very Windy.
    Heavy Snow
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: A 30 percent chance of snow showers. Partly sunny, with a high near 26. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph in the morning. Winds could gust as high as 50 mph. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Chance Snow
    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 10. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 10 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 39. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.
Tonight
Mostly clear, with a low around 23. Windy, with a south wind 30 to 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 29. Very windy, with a south wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.
Tuesday Night
Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 11. Very windy, with a southwest wind 35 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Wednesday
A 30 percent chance of snow showers. Partly sunny, with a high near 26. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph in the morning. Winds could gust as high as 50 mph. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Mostly clear, with a low around 10. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 19.
Saturday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 33.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Sunday
A chance of snow showers. Mostly sunny, with a high near 31. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Mammoth Lakes CA
 37.57°N 118.95°W (Elev. 11601 ft)
Last Update:
11:30 am PDT Apr 20, 2026
Forecast Valid:
1pm 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