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
95°F
35°C
| Humidity | 25% |
| Wind Speed | ENE 7 MPH |
| Barometer | NA |
| Dewpoint | 54°F (12°C) |
| Visibility | NA |
| Heat Index | 93°F (34°C) |
| Last update | 01 Aug 06:00 PM PDT |
Extended Forecast for
20 Miles E Mount Hamilton CA
Tonight
Low: 73 °F
Clear
Sunday
High: 99 °F
Hot
Sunday Night
Low: 73 °F
Clear
Monday
High: 99 °F
Hot
Monday Night
Low: 72 °F
Clear
Tuesday
High: 98 °F
Hot
Tuesday Night
Low: 69 °F
Clear
Wednesday
High: 96 °F
Hot
Wednesday Night
Low: 69 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 73. North wind around 6 mph becoming light and variable after midnight.
Sunday
Sunny and hot, with a high near 99. Light and variable wind becoming east northeast 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 73. North wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny and hot, with a high near 99. Light and variable wind becoming east 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 72. West southwest wind 3 to 6 mph.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 69.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Clear, with a low around 69.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Clear, with a low around 71.
Friday
Sunny and hot, with a high near 97.
Friday Night
Clear, with a low around 72.
Saturday
Sunny and hot, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
20 Miles E Mount Hamilton CA
37.36°N 121.27°W (Elev. 1401 ft)
37.36°N 121.27°W (Elev. 1401 ft)
2:00 pm PDT Aug 1, 2026
7pm PDT Aug 1, 2026-6pm PDT Aug 8, 2026
Additional Resources
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