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

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

84°F

29°C

Humidity 18%
Wind Speed W 21 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 22 Aug 02:55 PM PDT
Extended Forecast for

7 Miles ESE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Mostly sunny, with a high near 81. Southwest wind around 10 mph.

    High: 81 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southwest wind 5 to 10 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 48. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

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

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. Breezy.

    Low: 47 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly sunny, with a high near 81. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 51. Southwest wind 5 to 10 mph.
Sunday
Increasing clouds, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 48. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 81. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, 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.
Tuesday Night
Mostly clear, with a low around 47. Breezy.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 47. Breezy.
Thursday
Sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 48. Breezy.
Friday
Mostly sunny, with a high near 81. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Mammoth Lakes CA
 37.61°N 118.85°W (Elev. 7372 ft)
Last Update:
11:30 am PDT Aug 22, 2026
Forecast Valid:
3pm PDT Aug 22, 2026-6pm PDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation