Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

70°F

21°C

Humidity 26%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 29 Jun 10:28 PM PDT
Extended Forecast for

4 Miles SW Discovery Bay CA

  • Tonight

    Tonight: Clear, with a low around 60. West southwest wind 5 to 9 mph.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. West wind 3 to 7 mph.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. West southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 60. West southwest wind 5 to 9 mph.
Tuesday
Sunny, with a high near 92. Light southwest wind becoming west southwest 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 57. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 87. West wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 56. West southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 85.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 90.
Friday Night
Clear, with a low around 59.
Independence Day
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 59.
Monday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Discovery Bay CA
 37.87°N 121.63°W (Elev. 16 ft)
1:26 pm PDT Jun 29, 2026
10pm PDT Jun 29, 2026-6pm PDT Jul 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database