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
DIABLO GRANDE (DBLC1)
Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.NA
82°F
28°C
| Humidity | 23% |
| Wind Speed | SW 4 MPH |
| Barometer | NA |
| Dewpoint | 41°F (5°C) |
| Visibility | NA |
| Heat Index | 80°F (27°C) |
| Last update | 02 Aug 12:00 AM PDT |
Extended Forecast for
18 Miles E Mount Hamilton CA
Overnight
Low: 74 °F
Clear
Sunday
High: 98 °F
Hot
Sunday Night
Low: 76 °F
Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 75 °F
Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 74 °F
Clear
Wednesday
High: 96 °F
Hot
Wednesday Night
Low: 73 °F
Clear
Detailed Forecast
Overnight
Clear, with a low around 74. West wind 3 to 5 mph.
Sunday
Sunny and hot, with a high near 98. Calm wind becoming east 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 76. North wind around 5 mph becoming calm after midnight.
Monday
Sunny and hot, with a high near 99. Calm wind becoming east 5 to 7 mph in the morning.
Monday Night
Clear, with a low around 75. North northwest wind around 6 mph becoming light and variable in the evening.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Clear, with a low around 73.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Clear, with a low around 75.
Friday
Sunny and hot, with a high near 98.
Friday Night
Clear, with a low around 76.
Saturday
Sunny and hot, with a high near 98.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
18 Miles E Mount Hamilton CA
37.38°N 121.31°W (Elev. 1644 ft)
37.38°N 121.31°W (Elev. 1644 ft)
11:31 pm PDT Aug 1, 2026
12am PDT Aug 2, 2026-6pm PDT Aug 8, 2026
Additional Resources
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