Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

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

Clear

48°F

9°C

Humidity 61%
Wind Speed N 3 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 08 Dec 08:35 PM PST
Extended Forecast for

3 Miles NE Donner Summit CA

  • Tonight

    Tonight: Mostly clear, with a low around 33. Light west northwest wind.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. West northwest wind 3 to 5 mph.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 35. North northeast wind around 6 mph.

    Low: 35 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. East northeast wind around 5 mph becoming light and variable  in the morning.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. East southeast wind around 6 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Friday Night

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

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Light west northwest wind.
Tuesday
Sunny, with a high near 52. West northwest wind 3 to 5 mph.
Tuesday Night
Mostly clear, with a low around 35. North northeast wind around 6 mph.
Wednesday
Sunny, with a high near 53. East northeast wind around 5 mph becoming light and variable in the morning.
Wednesday Night
Mostly clear, with a low around 35. East southeast wind around 6 mph.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 31.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 43.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Donner Summit CA
 39.36°N 120.35°W (Elev. 7510 ft)
1:20 pm PST Dec 8, 2025
8pm PST Dec 8, 2025-6pm PST Dec 15, 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