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

NWS Sacramento Changes to Public and Fire Weather Zones Coming March 3rd

Read More >

Hazardous Weather Conditions

Current conditions at

READER RANCH (RRRC1)

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

NA

47°F

8°C

Humidity 91%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 15 Feb 02:13 AM PST
Extended Forecast for

Penn Valley CA

Winter Storm Warning February 15, 10:00pm until February 18, 10:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Overnight

    Overnight: A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a steady temperature around 47. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 3pm. Partly sunny, with a high near 57. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain. Low around 42. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 42 °F

    Rain

  • Washington's Birthday

    Washington's Birthday: Rain. High near 47. East southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 47 °F

    Rain

  • Monday Night

    Monday Night: Rain. Low around 36. South wind around 7 mph. Chance of precipitation is 90%.

    Low: 36 °F

    Rain

  • Tuesday

    Tuesday: Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 42. Chance of precipitation is 100%.

    High: 42 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain before 1am, then rain and snow likely. Some thunder is also possible. Low around 33. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Showers then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then rain after 10am. Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow
    Likely then
    Rain

  • Wednesday Night

    Wednesday Night: Rain before 4am, then rain and snow likely. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly before 4am. Mostly cloudy, with a steady temperature around 47. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly after 3pm. Partly sunny, with a high near 57. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 42. South southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Washington's Birthday
Rain. High near 47. East southeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Monday Night
Rain. Low around 36. South wind around 7 mph. Chance of precipitation is 90%.
Tuesday
Rain before 4pm, then showers and possibly a thunderstorm after 4pm. High near 42. Chance of precipitation is 100%.
Tuesday Night
Rain before 1am, then rain and snow likely. Some thunder is also possible. Low around 33. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before 7am, then a chance of snow between 7am and 10am, then rain after 10am. Mostly cloudy, with a high near 43.
Wednesday Night
Rain before 4am, then rain and snow likely. Mostly cloudy, with a low around 34.
Thursday
Rain and snow likely, becoming all rain after 10am. Mostly cloudy, with a high near 43.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Friday
A chance of rain and snow. Partly sunny, with a high near 46.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.19°N 121.18°W (Elev. 1670 ft)
Last Update:
1:20 am PST Feb 15, 2026
Forecast Valid:
3am PST Feb 15, 2026-6pm PST Feb 21, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation