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

84°F

29°C

Humidity 10%
Wind Speed SSE 4 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 22°F (-6°C)
Visibility NA
Heat Index81°F (27°C)
Last update 01 Aug 01:45 PM PDT
Extended Forecast for

Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 30 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °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 25 mph.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Southwest wind around 10 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 59. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 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 25 mph.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Clear, with a low around 58.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 60.
Friday
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:
11:30 am PDT Aug 1, 2026
Forecast Valid:
2pm PDT Aug 1, 2026-6pm PDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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