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 Index81°F (27°C)
Last update 04 Aug 09:00 AM PDT
Extended Forecast for

12 Miles SSW Tracy CA

  • Today

    Today: Sunny, with a high near 93. Light and variable wind becoming northeast 5 to 8 mph in the morning.

    High: 93 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 70. South southwest wind around 6 mph.

    Low: 70 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light and variable wind becoming north 5 to 7 mph in the afternoon.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 69. North northwest wind 5 to 7 mph becoming southwest in the evening.

    Low: 69 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Light and variable wind becoming north northwest 5 to 8 mph in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 71.

    Low: 71 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 94.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Tracy CA
 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
 
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