Record Heat for the Intermountain West and Northern Plains; Heavy Rainfall and Severe Weather Threats

Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

NA

78°F

26°C

Humidity 35%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Heat Index78°F (26°C)
Last update 12 Jul 10:28 AM PDT
Extended Forecast for

Brentwood CA

  • Today

    Today: Mostly cloudy, with a high near 93. West wind around 6 mph.

    High: 93 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 98. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. West southwest wind 5 to 8 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99. Light west southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 64.

    Low: 64 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 93. West wind around 6 mph.
Tonight
Mostly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 98. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Monday Night
Mostly clear, with a low around 69. West southwest wind 5 to 8 mph.
Tuesday
Sunny and hot, with a high near 99. Light west southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Clear, with a low around 67.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Brentwood CA
 37.93°N 121.73°W (Elev. 105 ft)
2:36 am PDT Jul 12, 2026
11am PDT Jul 12, 2026-6pm PDT Jul 18, 2026
 
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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