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

3°F

-16°C

Humidity 77%
Wind Speed N 5 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 28 Dec 01:15 AM PST
Extended Forecast for

6 Miles ESE Mammoth Lakes CA

  • Overnight

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

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 27. Northwest wind around 10 mph.

    High: 27 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. Breezy, with a northwest wind 15 to 20 mph becoming east after midnight. Winds could gust as high as 30 mph.

    Low: 11 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Sunny, with a high near 30. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 30 °F

    Sunny and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. East wind around 15 mph becoming south after midnight. Winds could gust as high as 25 mph.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 36. South wind 10 to 15 mph becoming northwest in the afternoon.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of snow after 4pm. Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Wednesday Night

    Wednesday Night: A chance of snow, mainly after 10pm. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 10. Northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 27. Northwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 11. Breezy, with a northwest wind 15 to 20 mph becoming east after midnight. Winds could gust as high as 30 mph.
Monday
Sunny, with a high near 30. Blustery, with a northeast wind 15 to 20 mph, with gusts as high as 35 mph.
Monday Night
Mostly clear, with a low around 19. East wind around 15 mph becoming south after midnight. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 36. South wind 10 to 15 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
A slight chance of snow after 4pm. Mostly sunny, with a high near 38.
Wednesday Night
A chance of snow, mainly after 10pm. Mostly cloudy, with a low around 26.
New Year's Day
A chance of snow. Partly sunny, with a high near 34.
Thursday Night
Snow likely. Mostly cloudy, with a low around 24. Windy.
Friday
Snow likely. Mostly cloudy, with a high near 32. Windy.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22. Windy.
Saturday
A chance of snow. Partly sunny, with a high near 32. Very windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
Last Update:
1:15 am PST Dec 28, 2025
Forecast Valid:
1am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation