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

Top Stn/Summit (MTH03)

Lat: 37.63059°NLon: 119.03282°WElev: 11034.0ft.

NA

40°F

4°C

Humidity 21%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 4°F (-16°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 10 Dec 03:40 AM PST
Extended Forecast for

2 Miles W Mammoth Lakes CA

  • Today

    Today: Sunny, with a high near 47. North wind around 5 mph becoming west in the afternoon.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. West wind around 5 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

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

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. Northwest wind 5 to 10 mph.

    Low: 34 °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 33. West wind around 10 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 47. North wind around 5 mph becoming west in the afternoon.
Tonight
Mostly clear, with a low around 35. West wind around 5 mph.
Thursday
Sunny, with a high near 47. North wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 34. Northwest wind 5 to 10 mph.
Friday
Sunny, with a high near 48. West wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 33. West wind around 10 mph.
Saturday
Sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 43.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 32. Breezy.
Tuesday
A slight chance of snow. Mostly sunny, with a high near 41. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Mammoth Lakes CA
 37.63°N 119.02°W (Elev. 9872 ft)
3:30 am PST Dec 10, 2025
4am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database