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 ESE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 32. Northwest wind around 10 mph.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. West wind 5 to 10 mph.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. West wind around 10 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Northwest wind 5 to 10 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 32. West wind around 10 mph.

    Low: 32 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 54. West wind 5 to 10 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 32. Northwest wind around 10 mph.
Wednesday
Sunny, with a high near 54. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 33. West wind around 10 mph.
Thursday
Sunny, with a high near 54. Northwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 32. West wind around 10 mph.
Friday
Sunny, with a high near 54. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 32. Breezy.
Tuesday
Mostly sunny, with a high near 49. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Mammoth Lakes CA
 37.57°N 118.81°W (Elev. 10469 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