Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

57°F

14°C

Humidity 41%
Wind Speed NNW 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 30 Jun 09:55 PM PDT
Extended Forecast for

10 Miles ENE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind 5 to 10 mph becoming light northwest  after midnight. Winds could gust as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Light and variable wind becoming west 10 to 15 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. West wind 10 to 15 mph becoming light  after midnight.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 40. West wind 5 to 10 mph becoming light northwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 77. Light and variable wind becoming west 10 to 15 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 41. West wind 10 to 15 mph becoming light after midnight.
Thursday
Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 42. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 80. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 45.
Independence Day
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ENE Mammoth Lakes CA
 37.69°N 118.78°W (Elev. 6916 ft)
4:30 pm PDT Jun 30, 2026
10pm PDT Jun 30, 2026-6pm PDT Jul 7, 2026
 
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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