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

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

73°F

23°C

Humidity 23%
Wind Speed ENE 3 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 33°F (1°C)
Visibility NA
Last update 31 Jul 09:45 AM PDT
Extended Forecast for

Mammoth Lakes CA

  • Today

    Today: 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

  • Tonight

    Tonight: Clear, with a low around 60. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 25 mph.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: 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 85. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.

    Low: 58 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 60. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 86. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
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 85. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 85.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Clear, with a low around 60.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Clear, with a low around 59.
Thursday
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:
8:35 am PDT Jul 31, 2026
Forecast Valid:
10am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
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