Heat Wave Across the Central and Southeast US; Flash Flood Threats in the North-Central US, Southeast, and Guam

Dangerous heat is expected across portions of the Central and Southeast U.S. through July. Heavy rains, flash flooding & severe weather are possible across the middle Missouri River Valley and Upper Midwest to the upper Great Lakes. Heavy rains and flash flooding are also possible across portions of the Southeast. A tropical disturbance brings heavy rain to Guam & the Marianas through Saturday. Read More >

Current conditions at

Mount Diablo Summit Museum and Trailhead Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

61°F

16°C

Humidity 60%
Wind Speed SSE 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 23 Jul 11:05 AM PDT
Extended Forecast for

5 Miles SW Brentwood CA

  • Today

    Today: Mostly sunny, with a high near 82. West wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. West southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 82 °F

    Sunny

  • Friday Night

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

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

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

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 82. West wind 6 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 58. West southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 81. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 59. West southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Friday
Sunny, with a high near 82. West southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 87.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 91.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.88°N 121.75°W (Elev. 394 ft)
1:26 am PDT Jul 23, 2025
11am PDT Jul 23, 2025-6pm PDT Jul 29, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database