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

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Clear

70°F

21°C

Humidity 26%
Wind Speed N 0 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Aug 08:55 PM PDT
Extended Forecast for

4 Miles ENE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 53. West wind 5 to 10 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. West wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 78. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. West wind 5 to 10 mph.
Thursday
Sunny, with a high near 84. West wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 53. West wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 52. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 78. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Mammoth Lakes CA
 37.67°N 118.89°W (Elev. 7671 ft)
Last Update:
8:28 pm PDT Aug 19, 2026
Forecast Valid:
9pm PDT Aug 19, 2026-6pm PDT Aug 26, 2026
 
Forecast Discussion
 
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