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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 >

Current conditions at

READER RANCH (RRRC1)

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

NA

39°F

4°C

Humidity 97%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 03 Mar 02:13 AM PST
Extended Forecast for

7 Miles N Penn Valley CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: Areas of fog between 7am and 9am. Otherwise, mostly sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 57. Light and variable wind.

    High: 57 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers, mainly after 10am. High near 55. Chance of precipitation is 80%.

    High: 55 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 42. Chance of precipitation is 90%.

    Low: 42 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 4pm. Mostly cloudy, with a high near 50.

    High: 50 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 10pm. Areas of frost after 5am. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Chance
    Showers then
    Areas Frost

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Calm wind.
Monday
Areas of fog between 7am and 9am. Otherwise, mostly sunny, with a high near 55. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 41. Calm wind.
Tuesday
A 20 percent chance of showers after 10am. Mostly cloudy, with a high near 57. Light and variable wind.
Tuesday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 43. Calm wind.
Wednesday
Showers, mainly after 10am. High near 55. Chance of precipitation is 80%.
Wednesday Night
Showers. Low around 42. Chance of precipitation is 90%.
Thursday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 50.
Thursday Night
A chance of showers before 10pm. Areas of frost after 5am. Otherwise, partly cloudy, with a low around 36.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
A chance of showers. Partly sunny, with a high near 62.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles N Penn Valley CA
 39.3°N 121.18°W (Elev. 1033 ft)
Last Update:
11:52 pm PST Mar 2, 2025
Forecast Valid:
3am PST Mar 3, 2025-6pm PDT Mar 9, 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