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

6 Miles ESE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly cloudy, with a high near 65. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.

    High: 65 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 36. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 63. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 63 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 11am.  Snow level 10000 feet. Mostly sunny, with a high near 60.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 65. Breezy, with a southwest wind around 20 mph, with gusts as high as 35 mph.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 36. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 63. Breezy, with a southwest wind 10 to 15 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 35. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Wednesday
Sunny, with a high near 68. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 37. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 35.
Friday
A chance of showers and thunderstorms after 11am. Snow level 10000 feet. Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Mammoth Lakes CA
 37.63°N 118.85°W (Elev. 7152 ft)
2:15 pm PDT Sep 29, 2025
2pm PDT Sep 29, 2025-6pm PDT Oct 5, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database