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

68°F

20°C

Humidity 30%
Wind Speed SW 10 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 22 Aug 11:55 PM PDT
Extended Forecast for

9 Miles E Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Light and variable wind becoming west 10 to 15 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. West wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 25 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Northwest wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 84. Light and variable wind becoming west 10 to 15 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 47. West wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 82. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 82. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles E Mammoth Lakes CA
 37.66°N 118.8°W (Elev. 6998 ft)
Last Update:
11:30 pm PDT Aug 22, 2026
Forecast Valid:
12am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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