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

Mammoth Yosemite Airport (KMMH)

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

Clear

52°F

11°C

Humidity 40%
Wind Speed N 0 MPH
Barometer 30.46 in (1031.49 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 09 Sep 03:35 AM PDT
Extended Forecast for

4 Miles ENE Mammoth Lakes CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. West wind around 5 mph becoming calm  in the evening.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after 11am.  Mostly sunny, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 78 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 75 °F

    Sunny

  • Friday Night

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

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Breezy.

    High: 69 °F

    Sunny and
    Breezy

  • Saturday Night

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

    Low: 43 °F

    Clear and
    Breezy then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 51. Calm wind.
Wednesday
Mostly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. West wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 78. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 51. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 75. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 69. Breezy.
Saturday Night
Mostly clear, with a low around 43. Breezy.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 70.
Monday Night
Clear, with a low around 42.
Tuesday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Mammoth Lakes CA
 37.67°N 118.92°W (Elev. 7694 ft)
11:30 pm PDT Sep 8, 2026
3am PDT Sep 9, 2026-6pm PDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database