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

Top of 22 - 10,067ft (MTH02)

Lat: 37.63707°NLon: 119.0174°WElev: 10100.0ft.

NA

54°F

12°C

Humidity 53%
Wind Speed SSW 29 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 23 Aug 12:50 AM PDT
Extended Forecast for

Mammoth Lakes CA

  • Overnight

    Overnight: Clear, with a low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 50 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 68 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 50. Southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Increasing clouds, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 50. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 66. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Monday Night
Partly cloudy, with a low around 50. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Tuesday
Sunny, with a high near 67. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.61°N 119.02°W (Elev. 9347 ft)
Last Update:
11:30 pm PDT Aug 22, 2026
Forecast Valid:
1am PDT Aug 23, 2026-6pm PDT Aug 29, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation