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

Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

76°F

24°C

Humidity 19%
Wind Speed ENE 5 MPH
Barometer 29.62 in (1003.05 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index76°F (24°C)
Last update 28 Jul 04:31 PM PDT
Extended Forecast for

Mammoth Lakes CA

  • Tonight

    Tonight: Clear, with a low around 51. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 80. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 30 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 53. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 30 mph.

    Low: 53 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 51. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 80. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 51. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 83. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 53. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Clear, with a low around 58.
Saturday
Sunny, with a high near 85.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 84.
Monday Night
Clear, with a low around 58.
Tuesday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.66°N 118.97°W (Elev. 8301 ft)
Last Update:
4:30 pm PDT Jul 28, 2026
Forecast Valid:
4pm PDT Jul 28, 2026-6pm PDT Aug 4, 2026
 
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