Tropical Depression Nine Forms; Heavy Rainfall in the Southwest and Southeast this Weekend

Tropical Depression Nine has formed and will continue to slowly move to the north-northwest in the coming days. As the storm passes close to the east coast of Florida, tropical storm conditions are possible Sunday through Monday. Tropical Storm Watches have been issued. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

64°F

18°C

Humidity 39%
Wind Speed ESE 10 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 27 Sep 05:55 PM PDT
Extended Forecast for

8 Miles ENE Mammoth Lakes CA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 40. South wind around 5 mph becoming calm  after midnight.

    Low: 40 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 68. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 68 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 40. Southwest wind 5 to 10 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Monday

    Monday: A 20 percent chance of showers after 11am.  Partly sunny, with a high near 66. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 66 °F

    Slight Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly before 11pm.  Snow level 11400 feet lowering to 10000 feet after midnight . Mostly cloudy, with a low around 37. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 37 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am.  Snow level 9600 feet rising to 10400 feet in the afternoon. Mostly sunny, with a high near 63. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 63 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 40. South wind around 5 mph becoming calm after midnight.
Sunday
A 40 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 68. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 40. Southwest wind 5 to 10 mph.
Monday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 66. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 35 mph.
Monday Night
A 30 percent chance of showers, mainly before 11pm. Snow level 11400 feet lowering to 10000 feet after midnight . Mostly cloudy, with a low around 37. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Tuesday
A 20 percent chance of showers after 11am. Snow level 9600 feet rising to 10400 feet in the afternoon. Mostly sunny, with a high near 63. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 34.
Friday
A slight chance of showers. Snow level 9700 feet rising to 10300 feet in the afternoon. Mostly sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Mammoth Lakes CA
 37.68°N 118.83°W (Elev. 7047 ft)
2:16 pm PDT Sep 27, 2025
6pm PDT Sep 27, 2025-6pm PDT Oct 4, 2025
 
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Additional Resources

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