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
63°F
17°C
| Humidity | 88% |
| Wind Speed | SSW 8 MPH |
| Barometer | 29.87 in (1011.51 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 02 Aug 01:20 AM PDT |
Extended Forecast for
6 Miles SE Lake Berryessa CA
Overnight
Low: 67 °F
Clear
Sunday
High: 102 °F
Hot
Sunday Night
Low: 67 °F
Clear
Monday
High: 102 °F
Hot
Monday Night
Low: 64 °F
Clear
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 61 °F
Clear
Wednesday
High: 96 °F
Hot
Wednesday Night
Low: 60 °F
Clear
Detailed Forecast
Overnight
Clear, with a low around 67. Calm wind.
Sunday
Sunny and hot, with a high near 102. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Clear, with a low around 67. Southwest wind around 6 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 102. Calm wind becoming east northeast around 5 mph.
Monday Night
Clear, with a low around 64. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 61.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny and hot, with a high near 97.
Thursday Night
Clear, with a low around 62.
Friday
Sunny and hot, with a high near 100.
Friday Night
Clear, with a low around 64.
Saturday
Sunny and hot, with a high near 100.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
6 Miles SE Lake Berryessa CA
38.51°N 122.2°W (Elev. 541 ft)
38.51°N 122.2°W (Elev. 541 ft)
1:26 am PDT Aug 2, 2026
1am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
Additional Resources
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