Heat Builds in the West; Extremely Critical Fire Weather in the Northwest
A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >
Current conditions at
READER RANCH (RRRC1)
Lat: 39.30351°NLon: 121.11725°WElev: 1968.0ft.NA
82°F
28°C
| Humidity | 29% |
| Wind Speed | NNE 1 MPH |
| Barometer | NA |
| Dewpoint | 47°F (8°C) |
| Visibility | NA |
| Heat Index | 80°F (27°C) |
| Last update | 01 Aug 09:13 AM PDT |
Extended Forecast for
4 Miles W Penn Valley CA
Today
High: 99 °F
Patchy Smoke
then SunnyTonight
Low: 72 °F
Clear
Sunday
High: 100 °F
Hot
Sunday Night
Low: 72 °F
Clear
Monday
High: 100 °F
Hot
Monday Night
Low: 71 °F
Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 71 °F
Clear
Wednesday
High: 97 °F
Hot
Detailed Forecast
Today
Patchy smoke before 11am. Sunny and hot, with a high near 99. West southwest wind 3 to 5 mph.
Tonight
Clear, with a low around 72. Calm wind becoming east southeast around 5 mph.
Sunday
Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 72. West southwest wind around 5 mph becoming calm after midnight.
Monday
Sunny and hot, with a high near 100. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Clear, with a low around 71.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Clear, with a low around 70.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Clear, with a low around 70.
Friday
Sunny and hot, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles W Penn Valley CA
39.2°N 121.27°W (Elev. 1201 ft)
39.2°N 121.27°W (Elev. 1201 ft)
2:00 am PDT Aug 1, 2026
10am PDT Aug 1, 2026-6pm PDT Aug 7, 2026
Additional Resources
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