Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

59°F

15°C

Humidity 44%
Wind Speed N 4 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 19 Aug 01:15 AM PDT
Extended Forecast for

12 Miles E Mammoth Lakes CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. West wind 5 to 10 mph becoming light  in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. Calm wind.
Wednesday
Mostly sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 52. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 90. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 52. West wind 5 to 10 mph becoming light in the evening.
Friday
Mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles E Mammoth Lakes CA
 37.65°N 118.74°W (Elev. 6778 ft)
11:30 pm PDT Aug 18, 2026
1am PDT Aug 19, 2026-6pm PDT Aug 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database