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

Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

58°F

14°C

Humidity 31%
Wind Speed WNW 0 MPH
Barometer 29.63 in (1003.39 mb)
Dewpoint 27°F (-3°C)
Visibility NA
Last update 02 Aug 05:00 AM PDT
Extended Forecast for

Mammoth Lakes CA

  • Today

    Today: Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. Southwest wind 5 to 15 mph.

    Low: 57 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 30 mph.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 57. Southwest wind 5 to 15 mph.
Monday
Sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Clear, with a low around 58. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.66°N 118.97°W (Elev. 8301 ft)
Last Update:
4:30 am PDT Aug 2, 2026
Forecast Valid:
5am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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