National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

55°F

13°C

Humidity 83%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 15 Nov 10:13 PM PST
Extended Forecast for

9 Miles NNW Grass Valley CA

  • Tonight

    Tonight: Showers. Low around 45. South southeast wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: Showers. Patchy fog between 9am and 10am. Steady temperature around 49. South southeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 49 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers. Low around 42. South southeast wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Showers

  • Monday

    Monday: Showers, mainly before 4pm. High near 51. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 4am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers. Low around 45. South southeast wind 5 to 7 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers. Patchy fog between 9am and 10am. Steady temperature around 49. South southeast wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers. Low around 42. South southeast wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Showers, mainly before 4pm. High near 51. South wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A 40 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 37. Calm wind.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 53.
Wednesday Night
Showers likely, mainly after 4am. Mostly cloudy, with a low around 41.
Thursday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 50.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Grass Valley CA
 39.33°N 121.13°W (Elev. 2018 ft)
Last Update:
1:21 pm PST Nov 15, 2025
Forecast Valid:
11pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation