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

Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

16°F

-9°C

Humidity 56%
Wind Speed WNW 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Last update 27 Dec 06:15 PM PST
Extended Forecast for

7 Miles SE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 6. North wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph.

    Low: 6 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28. South wind around 10 mph becoming north in the afternoon.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. Blustery, with a north wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 9 °F

    Mostly Clear
    and Blustery

  • Monday

    Monday: Sunny, with a high near 29. Blustery, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 29 °F

    Sunny and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 15. East wind around 15 mph, with gusts as high as 25 mph.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 37. Southeast wind 10 to 15 mph becoming northwest in the afternoon.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 6. North wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 28. South wind around 10 mph becoming north in the afternoon.
Sunday Night
Mostly clear, with a low around 9. Blustery, with a north wind 15 to 25 mph, with gusts as high as 35 mph.
Monday
Sunny, with a high near 29. Blustery, with a northeast wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
Mostly clear, with a low around 15. East wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 37. Southeast wind 10 to 15 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 23.
New Year's Day
Snow likely, mainly after 10am. Mostly cloudy, with a high near 33.
Thursday Night
Snow likely. Mostly cloudy, with a low around 21. Breezy.
Friday
Snow likely. Mostly cloudy, with a high near 31. Breezy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 18. Breezy.
Saturday
A chance of snow. Partly sunny, with a high near 31. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Mammoth Lakes CA
 37.56°N 118.89°W (Elev. 10407 ft)
Last Update:
1:18 pm PST Dec 27, 2025
Forecast Valid:
6pm PST Dec 27, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

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Chance of Precipitation