Powerful Winter Storm from the Upper Midwest into the Northeast; Severe Thunderstorms in the Midwest and Ohio Valley

A rapidly-intensifying storm is expected to bring heavy snow, blizzard conditions, and icing from the Upper Midwest through the Great Lakes and Northeast. Scattered severe thunderstorms may produce severe/damaging wind gusts and a couple of tornadoes across parts of the Midwest and lower Ohio Valley through the evening. Arctic air will expand across the central and southern U.S.. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

haze

23°F

-5°C

Humidity 53%
Wind Speed N 0 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 8°F (-13°C)
Visibility 5.00 mi
Last update 28 Dec 01:15 PM PST
Extended Forecast for

7 Miles ENE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 39. Northwest wind around 5 mph.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 6. West wind around 5 mph.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 42. West wind around 5 mph becoming north in the morning.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. Southwest wind around 5 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Calm wind becoming southeast around 5 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm.  Snow level rising to 8600 feet in the afternoon. Partly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 10pm.  Snow level 9100 feet. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain Likely

  • New Year's Day

    New Year's Day: Rain likely.  Snow level 8700 feet. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 39. Northwest wind around 5 mph.
Tonight
Mostly clear, with a low around 6. West wind around 5 mph.
Monday
Sunny, with a high near 42. West wind around 5 mph becoming north in the morning.
Monday Night
Mostly clear, with a low around 17. Southwest wind around 5 mph.
Tuesday
Mostly sunny, with a high near 48. Calm wind becoming southeast around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Calm wind.
Wednesday
A chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Snow level rising to 8600 feet in the afternoon. Partly sunny, with a high near 48. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, mainly after 10pm. Snow level 9100 feet. Mostly cloudy, with a low around 28.
New Year's Day
Rain likely. Snow level 8700 feet. Mostly cloudy, with a high near 45.
Thursday Night
A chance of rain before 10pm, then a chance of rain and snow. Snow level 7900 feet. Mostly cloudy, with a low around 27.
Friday
A chance of rain and snow. Snow level 7400 feet. Mostly cloudy, with a high near 44.
Friday Night
Snow likely. Mostly cloudy, with a low around 25.
Saturday
Snow likely. Mostly cloudy, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ENE Mammoth Lakes CA
 37.7°N 118.87°W (Elev. 7218 ft)
1:15 pm PST Dec 28, 2025
1pm PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database