Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

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

Clear

61°F

16°C

Humidity 41%
Wind Speed W 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 09 Dec 02:10 PM PST
Extended Forecast for

4 Miles NNE Donner Summit CA

  • This Afternoon

    This Afternoon: Widespread haze after 3pm. Sunny, with a high near 48. Light north northwest wind.

    High: 48 °F

    Haze

  • Tonight

    Tonight: Clear, with a low around 36. North northeast wind 6 to 8 mph.

    Low: 36 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49. East northeast wind around 6 mph becoming light and variable  in the morning.

    High: 49 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. North northeast wind around 7 mph becoming southwest after midnight.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 48. West northwest wind 3 to 6 mph.

    High: 48 °F

    Sunny

  • Thursday Night

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

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Friday Night

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

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

This Afternoon
Widespread haze after 3pm. Sunny, with a high near 48. Light north northwest wind.
Tonight
Clear, with a low around 36. North northeast wind 6 to 8 mph.
Wednesday
Sunny, with a high near 49. East northeast wind around 6 mph becoming light and variable in the morning.
Wednesday Night
Mostly clear, with a low around 37. North northeast wind around 7 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 48. West northwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 32.
Monday
A slight chance of snow showers. Mostly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Donner Summit CA
 39.38°N 120.36°W (Elev. 8399 ft)
1:21 pm PST Dec 9, 2025
2pm 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