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

28°F

-2°C

Humidity 58%
Wind Speed NNW 3 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 10 Dec 02:35 AM PST
Extended Forecast for

9 Miles ESE Mammoth Lakes CA

  • Overnight

    Overnight: Clear, with a low around 26. West wind around 10 mph.

    Low: 26 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46. West wind 5 to 10 mph.

    High: 46 °F

    Sunny

  • Wednesday Night

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

    Low: 28 °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 26. West wind around 10 mph.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 48. West wind 5 to 10 mph.

    High: 48 °F

    Sunny

  • Friday Night

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

    Low: 26 °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 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 26. West wind around 10 mph.
Wednesday
Sunny, with a high near 46. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 28. 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 26. West wind around 10 mph.
Friday
Sunny, with a high near 48. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 26. Breezy.
Tuesday
Mostly sunny, with a high near 42. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Mammoth Lakes CA
 37.56°N 118.87°W (Elev. 11175 ft)
10:30 pm PST Dec 9, 2025
2am PST Dec 10, 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