National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

74°F

23°C

Humidity 21%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 21 Aug 07:00 AM PDT
Extended Forecast for

12 Miles SSW Tracy CA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 80. South southwest wind 5 to 8 mph becoming north northeast in the afternoon.

    High: 80 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Clear, with a low around 59. Southwest wind around 9 mph.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West southwest wind 8 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Southwest wind 5 to 8 mph becoming north in the morning. Winds could gust as high as 18 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 80. South southwest wind 5 to 8 mph becoming north northeast in the afternoon.
Tonight
Clear, with a low around 59. Southwest wind around 9 mph.
Saturday
Sunny, with a high near 80. West southwest wind 8 to 10 mph becoming northwest in the morning. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 61. Southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Sunday
Sunny, with a high near 83. Southwest wind 5 to 8 mph becoming north in the morning. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SSW Tracy CA
 37.57°N 121.53°W (Elev. 2802 ft)
Last Update:
2:00 am PDT Aug 21, 2026
Forecast Valid:
7am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
Forecast Discussion
 
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Additional Resources

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