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
Napa, Napa County Airport (KAPC)
Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.
Clear
61°F
16°C
| Humidity | 87% |
| Wind Speed | SW 8 MPH |
| Barometer | 29.87 in (1011.51 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 02 Aug 04:15 AM PDT |
Extended Forecast for
7 Miles SSE Lake Berryessa CA
Today
High: 99 °F
Hot
Tonight
Low: 67 °F
Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 65 °F
Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 61 °F
Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 60 °F
Clear
Thursday
High: 94 °F
Sunny
Detailed Forecast
Today
Sunny and hot, with a high near 99. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
Clear, with a low around 67. Southwest wind around 6 mph becoming calm after midnight.
Monday
Sunny and hot, with a high near 99. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 65. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 94. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 94.
Thursday Night
Clear, with a low around 62.
Friday
Sunny and hot, with a high near 97.
Friday Night
Clear, with a low around 65.
Saturday
Sunny and hot, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
7 Miles SSE Lake Berryessa CA
38.48°N 122.22°W (Elev. 1798 ft)
38.48°N 122.22°W (Elev. 1798 ft)
2:34 am PDT Aug 2, 2026
4am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
Additional Resources
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