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

-6°F

-21°C

Humidity 83%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint -9°F (-23°C)
Visibility 10.00 mi
Last update 21 Feb 06:55 AM PST
Extended Forecast for

9 Miles ENE Mammoth Lakes CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 34. Light east wind becoming southeast 5 to 10 mph in the morning.

    High: 34 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 11. East wind around 5 mph.

    Low: 11 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 39. South wind around 5 mph.

    High: 39 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 16. Southwest wind around 5 mph becoming calm.

    Low: 16 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. Calm wind becoming southwest around 5 mph in the morning.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Southwest wind around 5 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain.  Snow level 9900 feet. Mostly cloudy, with a high near 42.

    High: 42 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain.  Snow level 9700 feet. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of rain.  Snow level 9300 feet. Partly sunny, with a high near 44.

    High: 44 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 34. Light east wind becoming southeast 5 to 10 mph in the morning.
Tonight
Partly cloudy, with a low around 11. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 39. South wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 16. Southwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 45. Calm wind becoming southwest around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 25. Southwest wind around 5 mph.
Tuesday
A 40 percent chance of rain. Snow level 9900 feet. Mostly cloudy, with a high near 42.
Tuesday Night
A chance of rain. Snow level 9700 feet. Mostly cloudy, with a low around 27.
Wednesday
A chance of rain. Snow level 9300 feet. Partly sunny, with a high near 44.
Wednesday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 1am, then a slight chance of snow after 1am. Snow level 8900 feet lowering to 8300 feet after midnight . Partly cloudy, with a low around 24.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Mammoth Lakes CA
 37.68°N 118.81°W (Elev. 6890 ft)
1:16 am PST Feb 21, 2026
7am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database