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

37°F

3°C

Humidity 32%
Wind Speed NNE 22 MPH
Barometer NA
Dewpoint 10°F (-12°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 09 Dec 10:25 PM PST
Extended Forecast for

3 Miles WNW Mammoth Lakes CA

  • Tonight

    Tonight: Clear, with a low around 37. North wind around 5 mph.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55. Northeast wind around 5 mph becoming calm  in the morning.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Calm wind becoming west around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. West wind around 5 mph becoming calm.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37. Northwest wind around 5 mph.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 55. West wind around 5 mph becoming calm.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °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 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 37. North wind around 5 mph.
Wednesday
Sunny, with a high near 55. Northeast wind around 5 mph becoming calm in the morning.
Wednesday Night
Mostly clear, with a low around 38. Calm wind becoming west around 5 mph.
Thursday
Sunny, with a high near 55. West wind around 5 mph becoming calm.
Thursday Night
Clear, with a low around 37. Northwest wind around 5 mph.
Friday
Sunny, with a high near 55. West wind around 5 mph becoming calm.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Mammoth Lakes CA
 37.65°N 119.03°W (Elev. 8809 ft)
10:30 pm PST Dec 9, 2025
10pm 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