Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

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

Clear

60°F

16°C

Humidity 27%
Wind Speed NNE 3 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 10 Dec 10:52 PM PST
Extended Forecast for

8 Miles W Donner Summit CA

  • Tonight

    Tonight: Clear, with a steady temperature around 41. Light north northeast wind.

    Low: 41 °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. East northeast wind around 5 mph becoming calm  in the morning.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37. East northeast wind 3 to 5 mph.

    Low: 37 °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

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a steady temperature around 41. Light north northeast wind.
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. East northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 37. East northeast wind 3 to 5 mph.
Saturday
Sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 34.
Monday
A slight chance of showers after 10am. Mostly sunny, with a high near 51.
Monday Night
A chance of showers. Mostly cloudy, with a low around 36.
Tuesday
A chance of showers. Partly sunny, with a high near 47.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 35.
Wednesday
A chance of showers. Partly sunny, with a high near 46.
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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 10, 2025
11pm PST Dec 10, 2025-6pm PST Dec 17, 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