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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

50°F

10°C

Humidity 25%
Wind Speed SSE 4 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 15°F (-9°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 20 Apr 10:45 AM PDT
Extended Forecast for

4 Miles SE 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

  • Today

    High: 53 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 33. Breezy, with a south wind 15 to 25 mph, with gusts as high as 50 mph.

    Low: 33 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Snow showers, mainly after 11am. The snow could be heavy at times. Some thunder is also possible. High near 44. Very windy, with a south wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 44 °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 21. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 21 °F

    Windy. Heavy
    Snow then
    Chance Snow
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 39. West wind around 15 mph, with gusts as high as 35 mph. New snow accumulation of less than one inch possible.

    High: 39 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 53. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 50 mph.
Tonight
Mostly clear, with a low around 33. Breezy, with a south wind 15 to 25 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 44. Very windy, with a south wind 30 to 40 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Tuesday Night
Snow showers, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Low around 21. Windy, with a southwest wind 30 to 35 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Wednesday
A 30 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 39. West wind around 15 mph, with gusts as high as 35 mph. New snow accumulation of less than one inch possible.
Wednesday Night
Mostly clear, with a low around 21. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 47.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 28.
Sunday
A chance of snow showers. Mostly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Mammoth Lakes CA
 37.6°N 118.9°W (Elev. 9449 ft)
Last Update:
10:57 am PDT Apr 20, 2026
Forecast Valid:
11am 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