Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

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

Clear

50°F

10°C

Humidity 53%
Wind Speed N 0 MPH
Barometer 30.33 in (1027.09 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 07 Dec 04:35 PM PST
Extended Forecast for

4 Miles NE Donner Summit CA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 29. Light west northwest wind.

    Low: 29 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 47. Calm wind becoming west southwest around 5 mph.

    High: 47 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. West wind 3 to 5 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. West wind 3 to 6 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. West wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Wednesday Night

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

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

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

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 29. Light west northwest wind.
Monday
Sunny, with a high near 47. Calm wind becoming west southwest around 5 mph.
Monday Night
Mostly clear, with a low around 32. West wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 51. West wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 35. West wind around 5 mph.
Wednesday
Sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Donner Summit CA
 39.36°N 120.35°W (Elev. 7510 ft)
1:20 pm PST Dec 7, 2025
4pm PST Dec 7, 2025-6pm PST Dec 14, 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