
Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West
Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >
Current conditions at
DIABLO GRANDE (DBLC1)
Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.NA
83°F
28°C
| Humidity | 24% |
| Wind Speed | S 8 MPH |
| Barometer | NA |
| Dewpoint | 43°F (6°C) |
| Visibility | NA |
| Heat Index | 81°F (27°C) |
| Last update | 04 Aug 09:00 AM PDT |
Extended Forecast for
23 Miles SW Keyes CA
Today

High: 100 °F
Hot
Tonight

Low: 70 °F
Clear
Wednesday

High: 99 °F
Hot
Wednesday Night

Low: 70 °F
Clear
Thursday

High: 100 °F
Hot
Thursday Night

Low: 72 °F
Clear
Friday

High: 101 °F
Hot
Friday Night

Low: 74 °F
Clear
Saturday

High: 101 °F
Hot
Detailed Forecast
Today
Sunny and hot, with a high near 100. South wind 5 to 7 mph becoming north northeast in the afternoon.
Tonight
Clear, with a low around 70. West southwest wind 3 to 8 mph.
Wednesday
Sunny and hot, with a high near 99. Light and variable wind becoming east southeast 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 70. West northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny and hot, with a high near 100. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 72.
Friday
Sunny and hot, with a high near 101.
Friday Night
Clear, with a low around 74.
Saturday
Sunny and hot, with a high near 101.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Clear, with a low around 69.
Monday
Sunny, with a high near 94.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
23 Miles SW Keyes CA
37.33°N 121.21°W (Elev. 1001 ft)
37.33°N 121.21°W (Elev. 1001 ft)
2:00 am PDT Aug 4, 2026
9am PDT Aug 4, 2026-6pm PDT Aug 10, 2026


