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

Areas of Excessive Rainfall from Southwest U.S. Monsoons; Monitoring Tropical Cyclone Formation Which Could Impact the Southeast U.S.

In Arizona and New Mexico, heavy to excessive rainfall from monsoon thunderstorms may bring isolated flash and urban flooding today into Sunday. Tropical wave (AL94) is likely to become a depression by late Friday or over this weekend in the vicinity of the Bahamas. Significant uncertainty remains in the track and intensity, but chances for impacts to the southeast U.S. coast are increasing. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

45°F

7°C

Humidity 88%
Wind Speed W 0 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 26 Sep 02:15 AM PDT
Extended Forecast for

Mammoth Lakes CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 42 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 66. Northeast wind 5 to 15 mph.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Northeast wind 5 to 15 mph becoming northwest after midnight.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 67. West wind around 5 mph becoming calm.

    High: 67 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 43. Southwest wind around 5 mph.

    Low: 43 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 62. Southwest wind 5 to 10 mph.

    High: 62 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Snow level 12000 feet lowering to 11200 feet after midnight . Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 11am. Snow level 10900 feet. Partly sunny, with a high near 57.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Snow level 10800 feet lowering to 9800 feet after midnight . Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 66. Northeast wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 42. Northeast wind 5 to 15 mph becoming northwest after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 67. West wind around 5 mph becoming calm.
Saturday Night
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 43. Southwest wind around 5 mph.
Sunday
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 62. Southwest wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers. Snow level 12000 feet lowering to 11200 feet after midnight . Mostly cloudy, with a low around 42.
Monday
A chance of showers, with thunderstorms also possible after 11am. Snow level 10900 feet. Partly sunny, with a high near 57.
Monday Night
A chance of showers. Snow level 10800 feet lowering to 9800 feet after midnight . Mostly cloudy, with a low around 38.
Tuesday
A chance of showers. Snow level 9800 feet. Partly sunny, with a high near 51.
Tuesday Night
A slight chance of showers. Snow level 10000 feet. Partly cloudy, with a low around 36.
Wednesday
A slight chance of showers. Snow level 9800 feet rising to 10700 feet in the afternoon. Mostly sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.66°N 118.97°W (Elev. 8301 ft)
Last Update:
2:15 am PDT Sep 26, 2025
Forecast Valid:
2am PDT Sep 26, 2025-6pm PDT Oct 2, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation