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.
Partly Cloudy
61°F
16°C
| Humidity | 87% |
| Wind Speed | SW 11 MPH |
| Barometer | 29.99 in (1015.58 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 01 Aug 02:35 AM PDT |
Extended Forecast for
9 Miles SSE Lake Berryessa CA
Overnight
Low: 60 °F
Areas Smoke
Saturday
High: 101 °F
Patchy Smoke
then SunnySaturday Night
Low: 65 °F
Clear
Sunday
High: 102 °F
Hot
Sunday Night
Low: 65 °F
Clear
Monday
High: 102 °F
Hot
Monday Night
Low: 62 °F
Clear
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 59 °F
Clear
Detailed Forecast
Overnight
Areas of smoke. Clear, with a low around 60. Calm wind.
Saturday
Patchy smoke before 8am. Sunny and hot, with a high near 101. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 65. West southwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 102. Calm wind becoming north around 6 mph in the morning.
Sunday Night
Clear, with a low around 65. Southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 18 mph.
Monday
Sunny and hot, with a high near 102.
Monday Night
Clear, with a low around 62.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 59.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Clear, with a low around 59.
Friday
Sunny and hot, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
9 Miles SSE Lake Berryessa CA
38.47°N 122.16°W (Elev. 807 ft)
38.47°N 122.16°W (Elev. 807 ft)
2:01 am PDT Aug 1, 2026
2am PDT Aug 1, 2026-6pm PDT Aug 7, 2026
Additional Resources
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