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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

37°F

3°C

Humidity 60%
Wind Speed W 2 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 24°F (-4°C)
Visibility NA
Last update 19 Sep 02:45 AM PDT
Extended Forecast for

Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Clear

  • Saturday

    Saturday: Patchy smoke after 4pm. Sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 72 °F

    Sunny then
    Patchy Smoke

  • Saturday Night

    Saturday Night: Patchy smoke before 10pm. Increasing clouds, with a low around 47. Southwest wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 11am. Snow level 10200 feet rising to 11000 feet in the afternoon. Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 11pm. Snow level 11000 feet. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 44. Calm wind.
Saturday
Patchy smoke after 4pm. Sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Patchy smoke before 10pm. Increasing clouds, with a low around 47. Southwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Monday
A 30 percent chance of showers after 11am. Snow level 10200 feet rising to 11000 feet in the afternoon. Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers before 11pm. Snow level 11000 feet. Partly cloudy, with a low around 46.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 72.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 70.
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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 18, 2026
Forecast Valid:
3am PDT Sep 19, 2026-6pm PDT Sep 25, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation