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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

44°F

7°C

Humidity 62%
Wind Speed WNW 3 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 32°F (0°C)
Visibility NA
Last update 22 Sep 11:45 PM PDT
Extended Forecast for

Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Widespread haze between 9pm and 3am. Patchy smoke between 9pm and 2am. Mostly clear, with a low around 48. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 48 °F

    Haze

  • Thursday

    Thursday: Sunny, with a high near 72. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. Southwest wind around 10 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

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

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Calm wind.
Wednesday
Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Widespread haze between 9pm and 3am. Patchy smoke between 9pm and 2am. Mostly clear, with a low around 48. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 72. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly clear, with a low around 48. Southwest wind around 10 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 67. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.64°N 118.97°W (Elev. 7913 ft)
Last Update:
11:30 pm PDT Sep 22, 2026
Forecast Valid:
12am PDT Sep 23, 2026-6pm PDT Sep 29, 2026
 
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