Red Bluff ASOS Down for Maintenance starting March 5th

The Red Bluff ASOS (Automated Surface Observing System) site will be out of service beginning March 5th due to the installation of a new ASOS unit and will be down for at least a week or longer. This will mean that no surface observations or climate products will be available during the down time. Updates will be posted when a return to service date can be determined. Read More >

Hazardous Weather Conditions

Current conditions at

READER RANCH (RRRC1)

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

NA

43°F

6°C

Humidity 88%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 15 Mar 11:13 PM PDT
Extended Forecast for

9 Miles NNW Grass Valley CA

Wind Advisory March 16, 12:25am until March 16, 11:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 16, 12:25am until March 16, 11:00pm

    NOW until 11:00pm Sun

    Wind Advisory

  • Overnight

    Low: 39 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 4pm.  Mostly cloudy, with a high near 55. South wind 6 to 13 mph, with gusts as high as 34 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, mainly before 3am. The rain could be heavy at times.  Low around 39. South wind 6 to 13 mph, with gusts as high as 36 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 39 °F

    Heavy Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am.  High near 49. South wind around 6 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 49 °F

    Showers

  • Monday Night

    Monday Night: Showers likely before 11pm.  Widespread frost, mainly after 3am.  Otherwise, partly cloudy, with a low around 29. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 29 °F

    Showers
    Likely then
    Frost

  • Tuesday

    Tuesday: Widespread frost, mainly before 9am.  Otherwise, sunny, with a high near 55.

    High: 55 °F

    Frost then
    Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 3am.  Otherwise, partly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Clear
    then Frost

  • Wednesday

    Wednesday: A slight chance of showers after 11am.  Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 56.

    High: 56 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 39. Southeast wind around 5 mph, with gusts as high as 24 mph.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 55. South wind 6 to 13 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, mainly before 3am. The rain could be heavy at times. Low around 39. South wind 6 to 13 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 49. South wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely before 11pm. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 29. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 32.
Wednesday
A slight chance of showers after 11am. Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 56.
Wednesday Night
Showers. Cloudy, with a low around 38.
Thursday
A chance of showers before 11am. Partly sunny, with a high near 55.
Thursday Night
Areas of frost. Otherwise, mostly cloudy, with a low around 36.
Friday
A slight chance of showers. Mostly cloudy, with a high near 56.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38.
Saturday
A slight chance of showers. Partly sunny, with a high near 59.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Grass Valley CA
 39.35°N 121.14°W (Elev. 1998 ft)
12:11 am PDT Mar 16, 2025
12am PDT Mar 16, 2025-6pm PDT Mar 22, 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