Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Scattered strong to severe thunderstorms are possible across parts of the Northeast U.S. on Thursday. Damaging wind, hail, and a tornado or two are possible. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

73°F

23°C

Humidity 31%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 26 Aug 10:13 PM PDT
Extended Forecast for

Penn Valley CA

  • Tonight

    Tonight: Clear, with a low around 68. Calm wind.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after 4am.  Mostly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain.  Mostly cloudy, with a high near 86. South wind 3 to 7 mph.

    High: 86 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. South wind 5 to 7 mph becoming calm  in the evening.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 68. Calm wind.
Thursday
Increasing clouds, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 71. Light and variable wind.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 86. South wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 64. South wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 86.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 85.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.19°N 121.18°W (Elev. 1670 ft)
2:00 pm PDT Aug 26, 2026
11pm PDT Aug 26, 2026-6pm PDT Sep 2, 2026
 
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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