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 PM PDT |
Extended Forecast for
4 Miles W Penn Valley CA
Tonight
Low: 71 °F
Clear
Sunday
High: 100 °F
Hot
Sunday Night
Low: 71 °F
Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 70 °F
Clear
Tuesday
High: 99 °F
Hot
Tuesday Night
Low: 69 °F
Clear
Wednesday
High: 97 °F
Hot
Wednesday Night
Low: 68 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 71. East southeast wind around 5 mph becoming calm after midnight.
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 71. Light and variable wind.
Monday
Sunny and hot, with a high near 99. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Clear, with a low around 70. Southwest wind around 5 mph becoming calm after midnight.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Clear, with a low around 69.
Wednesday
Sunny and hot, with a high near 97.
Wednesday Night
Clear, with a low around 68.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Clear, with a low around 70.
Friday
Sunny and hot, with a high near 97.
Friday Night
Clear, with a low around 71.
Saturday
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 pm PDT Aug 1, 2026
9pm PDT Aug 1, 2026-6pm PDT Aug 8, 2026
Additional Resources
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