
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
80°F
27°C
| Humidity | 28% |
| Wind Speed | SSW 4 MPH |
| Barometer | NA |
| Dewpoint | 44°F (7°C) |
| Visibility | NA |
| Heat Index | 79°F (26°C) |
| Last update | 04 Aug 08:00 AM PDT |
Extended Forecast for
13 Miles SSW Tracy CA
Today

High: 93 °F
Sunny
Tonight

Low: 70 °F
Clear
Wednesday

High: 91 °F
Sunny
Wednesday Night

Low: 69 °F
Clear
Thursday

High: 92 °F
Sunny
Thursday Night

Low: 71 °F
Clear
Friday

High: 93 °F
Sunny
Friday Night

Low: 73 °F
Clear
Saturday

High: 94 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 93. Light and variable wind becoming northeast 5 to 8 mph in the morning.
Tonight
Clear, with a low around 70. South southwest wind around 6 mph.
Wednesday
Sunny, with a high near 91. Light and variable wind becoming north 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 69. North northwest wind 5 to 7 mph becoming southwest in the evening.
Thursday
Sunny, with a high near 92. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.
Thursday Night
Clear, with a low around 71.
Friday
Sunny, with a high near 93.
Friday Night
Clear, with a low around 73.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 72.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 67.
Monday
Sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
13 Miles SSW Tracy CA
37.56°N 121.49°W (Elev. 2598 ft)
37.56°N 121.49°W (Elev. 2598 ft)
2:00 am PDT Aug 4, 2026
9am PDT Aug 4, 2026-6pm PDT Aug 10, 2026


