Hot in Parts of the West; Cold Blast Coming to the Central U.S.

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

77°F

25°C

Humidity 34%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 01 Sep 11:13 PM PDT
Extended Forecast for

Penn Valley CA

  • Tonight

    Tonight: Mostly clear, with a low around 73. East wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 95. East wind around 6 mph becoming south southwest in the morning.

    High: 95 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. South southwest wind around 6 mph becoming light and variable  in the evening.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light and variable wind becoming west southwest around 6 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 73. East wind 3 to 5 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 95. East wind around 6 mph becoming south southwest in the morning.
Tuesday Night
Mostly clear, with a low around 68. South southwest wind around 6 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 91. Light and variable wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 69. West southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 81.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Valley CA
 39.18°N 121.21°W (Elev. 1601 ft)
10:21 pm PDT Sep 1, 2025
11pm PDT Sep 1, 2025-6pm PDT Sep 8, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database