Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

79°F

26°C

Humidity 22%
Wind Speed W 18 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Aug 05:55 PM PDT
Extended Forecast for

8 Miles E Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 51. West wind 10 to 15 mph becoming light  after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. West wind 10 to 15 mph becoming light  after midnight. Winds could gust as high as 25 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 81 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

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

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Wednesday Night

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

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 51. West wind 10 to 15 mph becoming light after midnight.
Sunday
Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 48. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 81. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 47. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 81. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 82. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Mammoth Lakes CA
 37.66°N 118.83°W (Elev. 7195 ft)
4:30 pm PDT Aug 22, 2026
6pm PDT Aug 22, 2026-6pm PDT Aug 29, 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