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

READER RANCH (RRRC1)

Lat: 39.30351°NLon: 121.11725°WElev: 1968.0ft.

NA

51°F

11°C

Humidity 73%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 09 Dec 11:13 PM PST
Extended Forecast for

14 Miles N Grass Valley CA

  • Tonight

    Tonight: Clear, with a low around 49. Light northeast wind.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Widespread haze between 9am and 10am. Sunny, with a high near 68. Calm wind.

    High: 68 °F

    Haze then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48. Light east northeast wind.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Calm wind.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. East northeast wind 3 to 5 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 49. Light northeast wind.
Wednesday
Widespread haze between 9am and 10am. Sunny, with a high near 68. Calm wind.
Wednesday Night
Clear, with a low around 48. Light east northeast wind.
Thursday
Sunny, with a high near 68. Calm wind.
Thursday Night
Clear, with a low around 47. East northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 43.
Monday
A slight chance of showers. Partly sunny, with a high near 59.
Monday Night
A chance of showers. Mostly cloudy, with a low around 45.
Tuesday
A chance of showers. Partly sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles N Grass Valley CA
 39.42°N 121.01°W (Elev. 2782 ft)
1:21 pm PST Dec 9, 2025
11pm 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