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

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

Lat: 39.27611°NLon: 120.70806°WElev: 5282.0ft.

Clear

56°F

13°C

Humidity 31%
Wind Speed ENE 5 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 09 Dec 11:52 PM PST
Extended Forecast for

8 Miles W Donner Summit CA

  • Overnight

    Overnight: Clear, with a low around 38. East northeast wind around 5 mph.

    Low: 38 °F

    Clear

  • Wednesday

    Wednesday: Widespread haze before noon, then widespread haze after 1pm. Sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Haze

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. East northeast wind 3 to 5 mph.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 57. Calm wind.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37. East northeast wind around 6 mph.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °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 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 38. East northeast wind around 5 mph.
Wednesday
Widespread haze before noon, then widespread haze after 1pm. Sunny, with a high near 58. Light and variable wind.
Wednesday Night
Clear, with a low around 38. East northeast wind 3 to 5 mph.
Thursday
Sunny, with a high near 57. Calm wind.
Thursday Night
Clear, with a low around 37. East northeast wind around 6 mph.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 33.
Monday
A slight chance of showers. Mostly sunny, with a high near 49.
Monday Night
A chance of showers. Mostly cloudy, with a low around 34.
Tuesday
A chance of showers. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Donner Summit CA
 39.33°N 120.52°W (Elev. 6388 ft)
1:21 pm PST Dec 9, 2025
12am 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