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

54°F

12°C

Humidity 32%
Wind Speed ENE 4 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 09 Dec 09:00 PM PST
Extended Forecast for

4 Miles NE Donner Summit CA

  • Tonight

    Tonight: Clear, with a low around 34. Northeast wind around 6 mph.

    Low: 34 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52. East northeast wind around 5 mph becoming light and variable  in the morning.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 35. North wind around 6 mph.

    Low: 35 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Light west northwest wind.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. East wind around 7 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33.

    Low: 33 °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 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 34. Northeast wind around 6 mph.
Wednesday
Sunny, with a high near 52. East northeast wind around 5 mph becoming light and variable in the morning.
Wednesday Night
Clear, with a low around 35. North wind around 6 mph.
Thursday
Sunny, with a high near 52. Light west northwest wind.
Thursday Night
Mostly clear, with a low around 32. East wind around 7 mph.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 31.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 44.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31.
Tuesday
A chance of rain and snow showers. Partly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Donner Summit CA
 39.36°N 120.35°W (Elev. 7510 ft)
1:21 pm PST Dec 9, 2025
9pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database