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

79°F

26°C

Humidity 24%
Wind Speed WNW 12 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Aug 06:55 PM PDT
Extended Forecast for

9 Miles SE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. West wind 5 to 15 mph becoming east in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 69. South wind 10 to 15 mph becoming west in the morning. Winds could gust as high as 25 mph.

    High: 69 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 69. Southwest wind 10 to 15 mph becoming west in the morning. Winds could gust as high as 25 mph.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 66 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. Breezy.

    Low: 44 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Breezy.

    High: 64 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42. Breezy.

    Low: 42 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. West wind 5 to 15 mph becoming east in the evening.
Wednesday
Mostly sunny, with a high near 69. South wind 10 to 15 mph becoming west in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 69. Southwest wind 10 to 15 mph becoming west in the morning. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 66. Breezy, with a southwest wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Partly cloudy, with a low around 44. Breezy.
Saturday
Mostly sunny, with a high near 64. Breezy.
Saturday Night
Partly cloudy, with a low around 42. Breezy.
Sunday
Sunny, with a high near 63.
Sunday Night
A slight chance of showers. Snow level 13300 feet lowering to 12700 feet after midnight . Partly cloudy, with a low around 41.
Monday
A slight chance of showers. Snow level 12900 feet. Sunny, with a high near 62. Breezy.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles SE Mammoth Lakes CA
 37.54°N 118.89°W (Elev. 10719 ft)
4:30 pm PDT Aug 18, 2026
7pm PDT Aug 18, 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