Severe Thunderstorms in the Central Plains and Lower Missouri Valley; Heat Continues in the Southeast and Southwest

Severe thunderstorms capable of large hail and damaging wind gusts are forecast to impact the central Plains into the Lower Missouri Valley through this afternoon. Dangerous heat persists across the southern Plains, Southeast U.S. and Puerto Rico this week, and will return to the Southwest today. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

93°F

34°C

Humidity 20%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Heat Index89°F (32°C)
Last update 18 Aug 12:13 PM PDT
Extended Forecast for

5 Miles WNW Penn Valley CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 95. West southwest wind around 5 mph.

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Light and variable wind.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then clearing and hot, with a high near 96. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. South southwest wind around 5 mph becoming calm  in the evening.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 95. West southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 67. Light and variable wind.
Wednesday
Mostly cloudy through mid morning, then clearing and hot, with a high near 96. Calm wind becoming west southwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Sunny, with a high near 90.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Penn Valley CA
 39.22°N 121.28°W (Elev. 846 ft)
11:31 am PDT Aug 18, 2026
1pm PDT Aug 18, 2026-6pm PDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database