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Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Clear

77°F

25°C

Humidity 31%
Wind Speed NW 14 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 22 Jul 07:35 PM PDT
Extended Forecast for

12 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Patchy smoke after 1am. Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear
    then Patchy
    Smoke

  • Thursday

    Thursday: Patchy smoke before noon. Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.

    High: 83 °F

    Patchy Smoke
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy smoke after 1am. Mostly clear, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Patchy smoke before noon. Sunny, with a high near 83. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 57. Southwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 84.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Mammoth Lakes CA
 37.57°N 118.78°W (Elev. 7585 ft)
Last Update:
4:30 pm PDT Jul 22, 2026
Forecast Valid:
8pm PDT Jul 22, 2026-6pm PDT Jul 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation