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

1°F

-17°C

Humidity 77%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 28 Dec 12:55 AM PST
Extended Forecast for

6 Miles SE Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 9. Northwest wind around 10 mph.

    Low: 9 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 28. Northwest wind around 10 mph.

    High: 28 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 12. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 40 mph.

    Low: 12 °F

    Mostly Clear
    and Blustery

  • Monday

    Monday: Sunny, with a high near 30. Blustery, with a northeast wind 15 to 25 mph, with gusts as high as 40 mph.

    High: 30 °F

    Sunny and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Clear

  • Tuesday

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

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 9. Northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 28. Northwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 12. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 40 mph.
Monday
Sunny, with a high near 30. Blustery, with a northeast wind 15 to 25 mph, with gusts as high as 40 mph.
Monday Night
Mostly clear, with a low around 18. North wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 37. South wind 10 to 15 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 26.
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 24. Windy.
Friday
Snow likely. Mostly cloudy, with a high near 31. Windy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. 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:
6 Miles SE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
Last Update:
9:15 pm PST Dec 27, 2025
Forecast Valid:
1am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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