National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

28°F

-2°C

Humidity 58%
Wind Speed WNW 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 15 Feb 01:55 AM PST
Extended Forecast for

10 Miles ESE Mammoth Lakes CA

Winter Storm Warning February 15, 10:00pm until February 18, 10:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: Partly cloudy, with a low around 19. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph.

    Low: 19 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 38. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.

    High: 38 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of snow, mainly after 4am. Partly cloudy, with a low around 18. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Breezy.
    Mostly Clear
    then Chance
    Snow

  • Washington's Birthday

    Washington's Birthday: Snow, mainly after 7am. The snow could be heavy at times. High near 33. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 33 °F

    Heavy Snow
    and Breezy

  • Monday Night

    Monday Night: Snow. The snow could be heavy at times. Low around 13. Very windy, with a southwest wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 13 °F

    Heavy Snow
    and Very
    Windy

  • Tuesday

    Tuesday: Snow. The snow could be heavy at times. High near 25. Very windy, with a southwest wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 25 °F

    Heavy Snow
    and Very
    Windy

  • Tuesday Night

    Tuesday Night: Snow. The snow could be heavy at times. Low around 10. Very windy. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.

    Low: 10 °F

    Heavy Snow
    and Very
    Windy

  • Wednesday

    Wednesday: Snow. The snow could be heavy at times. Mostly cloudy, with a high near 19. Windy.

    High: 19 °F

    Heavy Snow
    and Windy

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 4. Breezy.

    Low: 4 °F

    Chance Snow
    and Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around 19. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph.
Sunday
Sunny, with a high near 38. Breezy, with a south wind around 20 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of snow, mainly after 4am. Partly cloudy, with a low around 18. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Washington's Birthday
Snow, mainly after 7am. The snow could be heavy at times. High near 33. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Monday Night
Snow. The snow could be heavy at times. Low around 13. Very windy, with a southwest wind around 45 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Tuesday
Snow. The snow could be heavy at times. High near 25. Very windy, with a southwest wind 40 to 45 mph, with gusts as high as 65 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Snow. The snow could be heavy at times. Low around 10. Very windy. Chance of precipitation is 100%. New snow accumulation of 9 to 13 inches possible.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 19. Windy.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 4. Breezy.
Thursday
A chance of snow. Partly sunny, with a high near 22. Breezy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 5. Breezy.
Friday
A slight chance of snow. Partly sunny, with a high near 28. Breezy.
Friday Night
A chance of snow. Partly cloudy, with a low around 9. Breezy.
Saturday
Mostly sunny, with a high near 30. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Mammoth Lakes CA
 37.57°N 118.81°W (Elev. 10469 ft)
Last Update:
1:15 am PST Feb 15, 2026
Forecast Valid:
2am PST Feb 15, 2026-6pm PST Feb 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation