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 53%
Wind Speed NNE 4 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 09 Dec 01:35 AM PST
Extended Forecast for

10 Miles NNW Donner Summit CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 36. West wind around 6 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. North wind around 5 mph becoming calm  in the morning.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 36. East wind 6 to 9 mph.

    Low: 36 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 53. East wind 5 to 7 mph becoming calm  in the morning.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 37. East wind 6 to 9 mph.

    Low: 37 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Friday Night

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

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 36. West wind around 6 mph.
Tuesday
Sunny, with a high near 53. North wind around 5 mph becoming calm in the morning.
Tuesday Night
Clear, with a low around 36. East wind 6 to 9 mph.
Wednesday
Sunny, with a high near 53. East wind 5 to 7 mph becoming calm in the morning.
Wednesday Night
Clear, with a low around 37. East wind 6 to 9 mph.
Thursday
Sunny, with a high near 53.
Thursday Night
Clear, with a low around 34.
Friday
Sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Partly cloudy, with a low around 33.
Monday
A chance of rain and snow showers. Partly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNW Donner Summit CA
 39.45°N 120.46°W (Elev. 7995 ft)
1:20 am PST Dec 9, 2025
1am PST Dec 9, 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