Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

READER RANCH (RRRC1)

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

NA

100°F

38°C

Humidity 18%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index97°F (36°C)
Last update 04 Aug 01:13 PM PDT
Extended Forecast for

3 Miles NNW Penn Valley CA

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 100. Southwest wind around 6 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 72. Light and variable wind.

    Low: 72 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 68. Light and variable wind.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Clear, with a low around 68.

    Low: 68 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 70.

    Low: 70 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. Southwest wind around 6 mph.
Tonight
Clear, with a low around 72. Light and variable wind.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Clear, with a low around 68. Light and variable wind.
Thursday
Sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
Clear, with a low around 68.
Friday
Sunny and hot, with a high near 99.
Friday Night
Clear, with a low around 70.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Clear, with a low around 71.
Monday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Penn Valley CA
 39.23°N 121.19°W (Elev. 1398 ft)
11:31 am PDT Aug 4, 2026
1pm PDT Aug 4, 2026-6pm PDT Aug 10, 2026
 
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Additional Resources

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