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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

68°F

20°C

Humidity 35%
Wind Speed SW 4 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 39°F (4°C)
Visibility NA
Last update 19 Aug 08:00 PM PDT
Extended Forecast for

Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 75. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 82. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 78. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 75. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.66°N 118.97°W (Elev. 8301 ft)
Last Update:
4:30 pm PDT Aug 19, 2026
Forecast Valid:
8pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
Forecast Discussion
 
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