Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

64°F

18°C

Humidity 11%
Wind Speed ESE 13 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 18 Oct 04:15 PM PDT
Extended Forecast for

12 Miles E Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 66. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 66 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Southwest wind 5 to 10 mph becoming light  in the evening.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Light and variable wind becoming southeast 10 to 15 mph in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Snow level 9400 feet. Partly cloudy, with a low around 29. Southeast wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.

    Low: 29 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain, then showers likely and possibly a thunderstorm after 11am.  Snow level 9100 feet rising to 9700 feet in the afternoon. Mostly cloudy, with a high near 55. Light and variable wind becoming southeast 10 to 15 mph in the afternoon.  Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain.  Snow level 9400 feet lowering to 8700 feet after midnight . Low around 25. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 25 °F

    Rain

  • Thursday

    Thursday: Rain and snow likely, becoming all rain after 2pm.  Snow level 8400 feet. Mostly cloudy, with a high near 51.

    High: 51 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 11pm.  Snow level 8700 feet lowering to 8000 feet after midnight . Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 30. Calm wind.
Monday
Mostly sunny, with a high near 66. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 28. Southwest wind 5 to 10 mph becoming light in the evening.
Tuesday
Mostly sunny, with a high near 61. Light and variable wind becoming southeast 10 to 15 mph in the afternoon.
Tuesday Night
A 20 percent chance of rain. Snow level 9400 feet. Partly cloudy, with a low around 29. Southeast wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Wednesday
A chance of rain, then showers likely and possibly a thunderstorm after 11am. Snow level 9100 feet rising to 9700 feet in the afternoon. Mostly cloudy, with a high near 55. Light and variable wind becoming southeast 10 to 15 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
Rain. Snow level 9400 feet lowering to 8700 feet after midnight . Low around 25. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain and snow likely, becoming all rain after 2pm. Snow level 8400 feet. Mostly cloudy, with a high near 51.
Thursday Night
A chance of rain, mainly before 11pm. Snow level 8700 feet lowering to 8000 feet after midnight . Mostly cloudy, with a low around 22.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 57.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles E Mammoth Lakes CA
 37.65°N 118.74°W (Elev. 6778 ft)
4:30 pm PDT Oct 18, 2026
4pm PDT Oct 18, 2026-6pm PDT Oct 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database