Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Rain

61°F

16°C

Humidity 55%
Wind Speed W 9 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 44°F (7°C)
Visibility 9.00 mi
Last update 29 Sep 01:55 PM PDT
Extended Forecast for

8 Miles SE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms.  Snow level 12000 feet. Partly sunny, with a high near 49. Breezy, with a southwest wind around 25 mph, with gusts as high as 35 mph.

    High: 49 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A chance of rain showers before 8pm, then a slight chance of rain and snow showers between 8pm and 2am, then a slight chance of snow showers after 2am. Some thunder is also possible.  Snow level 11500 feet lowering to 10700 feet after midnight . Mostly cloudy, with a low around 29. Breezy, with a south wind around 25 mph, with gusts as high as 35 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Chance
    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.

    High: 45 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50. Southwest wind around 15 mph.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Thursday

    Thursday: Sunny, with a high near 49. Breezy.

    High: 49 °F

    Sunny and
    Breezy then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. Breezy.

    Low: 28 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: A chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 45.

    High: 45 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Snow level 12000 feet. Partly sunny, with a high near 49. Breezy, with a southwest wind around 25 mph, with gusts as high as 35 mph.
Tonight
A chance of rain showers before 8pm, then a slight chance of rain and snow showers between 8pm and 2am, then a slight chance of snow showers after 2am. Some thunder is also possible. Snow level 11500 feet lowering to 10700 feet after midnight . Mostly cloudy, with a low around 29. Breezy, with a south wind around 25 mph, with gusts as high as 35 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 45. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 30. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 50. Southwest wind around 15 mph.
Wednesday Night
Mostly clear, with a low around 31. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 49. Breezy.
Thursday Night
Partly cloudy, with a low around 28. Breezy.
Friday
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 45.
Friday Night
Partly cloudy, with a low around 27. Blustery.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 47.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Mammoth Lakes CA
 37.54°N 118.89°W (Elev. 10719 ft)
2:15 pm PDT Sep 29, 2025
2pm PDT Sep 29, 2025-6pm PDT Oct 5, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database