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

Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

62°F

17°C

Humidity 40%
Wind Speed NW 4 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 08 Sep 08:30 PM PDT
Extended Forecast for

Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 70. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66. Southwest wind around 15 mph, with gusts as high as 35 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. Breezy.

    High: 61 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Clear
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 72. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 56. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 70. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 54. Southwest wind around 15 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 66. Southwest wind around 15 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 61. Breezy.
Saturday Night
Mostly clear, with a low around 43. Breezy.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 61.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.61°N 118.99°W (Elev. 9137 ft)
Last Update:
4:30 pm PDT Sep 8, 2026
Forecast Valid:
8pm PDT Sep 8, 2026-6pm PDT Sep 15, 2026
 
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