Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

32°F

0°C

Humidity 50%
Wind Speed N 0 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 09 Dec 10:55 PM PST
Extended Forecast for

10 Miles SE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind around 10 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 47. Southwest wind 5 to 10 mph.

    High: 47 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. West wind around 10 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 47. Northwest wind 5 to 10 mph.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. West wind around 10 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47. West wind 5 to 10 mph.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 28. Northwest wind around 10 mph.
Wednesday
Sunny, with a high near 47. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 29. West wind around 10 mph.
Thursday
Sunny, with a high near 47. Northwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 28. West wind around 10 mph.
Friday
Sunny, with a high near 47. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 27. Breezy.
Tuesday
Mostly sunny, with a high near 41. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SE Mammoth Lakes CA
 37.54°N 118.86°W (Elev. 10636 ft)
10:30 pm PST Dec 9, 2025
11pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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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