Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

21°F

-6°C

Humidity 57%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 21 Feb 12:15 PM PST
Extended Forecast for

10 Miles SE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 30. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 30 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 19. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 23. Southwest wind around 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after 4am.  Partly cloudy, with a low around 29. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.  New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Breezy.
    Partly Cloudy
    then Chance
    Snow

  • Tuesday

    Tuesday: A chance of rain and snow before 7am, then a chance of rain.  Snow level 9800 feet rising to 10300 feet in the afternoon. Mostly cloudy, with a high near 37. Breezy.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely.  Snow level 10000 feet. Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and snow.  Snow level 9500 feet. Partly sunny, with a high near 40. Breezy.

    High: 40 °F

    Chance
    Rain/Snow and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 30. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 40 mph.
Tonight
Partly cloudy, with a low around 19. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 35. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 23. Southwest wind around 10 mph.
Monday
Mostly sunny, with a high near 40. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A 30 percent chance of snow after 4am. Partly cloudy, with a low around 29. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. New snow accumulation of less than a half inch possible.
Tuesday
A chance of rain and snow before 7am, then a chance of rain. Snow level 9800 feet rising to 10300 feet in the afternoon. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain likely. Snow level 10000 feet. Mostly cloudy, with a low around 32. Breezy.
Wednesday
A chance of rain and snow. Snow level 9500 feet. Partly sunny, with a high near 40. Breezy.
Wednesday Night
A slight chance of rain and snow before 7pm, then a slight chance of snow. Partly cloudy, with a low around 28.
Thursday
Sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Mammoth Lakes CA
 37.54°N 118.83°W (Elev. 9216 ft)
11:11 am PST Feb 21, 2026
12pm PST Feb 21, 2026-6pm PST Feb 27, 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