Severe Thunderstorms in the Ohio Valley and Mid-Atlantic; Heat Continuing in the Central U.S.

Widespread strong to severe thunderstorms are expected from the Upper Ohio Valley into the Mid-Atlantic through Friday, with damaging winds as the primary threat. Dangerous heat will continue from the South-Central U.S. to the Midwest, Ohio/Tennessee valleys, and Mid-Atlantic. Widespread Major to Extreme Heat Risk is forecast into the weekend and will confine to the South-Central U.S. by Labor Day Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

50°F

10°C

Humidity 49%
Wind Speed N 5 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 04 Sep 03:15 AM PDT
Extended Forecast for

10 Miles SE Mammoth Lakes CA

Lake Wind Advisory until September 4, 09:00pm
Click here for hazard details and duration
Lake Wind Advisory
  •  
    Lake Wind Advisory until September 4, 09:00pm

    NOW until 9:00pm Fri

    Lake Wind Advisory

  • Overnight

    Low: 36 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 54. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 50 mph.

    High: 54 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph.

    Low: 35 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 56. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.

    High: 56 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 34. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 34 °F

    Clear and
    Breezy

  • Sunday

    Sunday: Sunny, with a high near 53. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.

    High: 53 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Clear, with a low around 32. Breezy.

    Low: 32 °F

    Clear and
    Breezy

  • Labor Day

    Labor Day: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 36. Windy, with a southwest wind around 30 mph, with gusts as high as 50 mph.
Friday
Sunny, with a high near 54. Windy, with a southwest wind 25 to 35 mph, with gusts as high as 50 mph.
Friday Night
Mostly clear, with a low around 35. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph.
Saturday
Sunny, with a high near 56. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.
Saturday Night
Clear, with a low around 34. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Sunday
Sunny, with a high near 53. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.
Sunday Night
Clear, with a low around 32. Breezy.
Labor Day
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 36.
Tuesday
A slight chance of showers after 11am. Snow level rising to 11600 feet in the afternoon. Mostly sunny, with a high near 58.
Tuesday Night
A chance of showers. Snow level 12100 feet. Mostly cloudy, with a low around 40.
Wednesday
A chance of showers. Snow level 12200 feet rising to 13100 feet in the afternoon. Partly sunny, with a high near 58.
Wednesday Night
A slight chance of showers. Snow level 12900 feet. Mostly cloudy, with a low around 41.
Thursday
A chance of showers. Snow level 12800 feet. Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Mammoth Lakes CA
 37.54°N 118.86°W (Elev. 10636 ft)
3:01 am PDT Sep 4, 2026
3am PDT Sep 4, 2026-6pm PDT Sep 10, 2026
 
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Additional Resources

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