Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

N/A

Humidity 25%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update 10 Aug 02:28 AM PDT
Extended Forecast for

3 Miles SW Discovery Bay CA

  • Today

    Today: A 20 percent chance of showers.  Increasing clouds and hot, with a high near 97. Light west southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 97 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers.  Mostly cloudy, with a low around 68. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Mostly cloudy, with a high near 89. Southwest wind around 6 mph becoming calm  in the morning.

    High: 89 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 60. West northwest wind 5 to 9 mph becoming light west southwest.

    Low: 60 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Sunny, with a high near 88. West wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 58.

    Low: 58 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers. Increasing clouds and hot, with a high near 97. Light west southwest wind becoming southwest 5 to 10 mph in the morning.
Tonight
A 20 percent chance of showers. Mostly cloudy, with a low around 68. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Friday
A 20 percent chance of showers. Mostly cloudy, with a high near 89. Southwest wind around 6 mph becoming calm in the morning.
Friday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 60. West northwest wind 5 to 9 mph becoming light west southwest.
Saturday
Sunny, with a high near 88. West wind 6 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 56.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Discovery Bay CA
 37.87°N 121.63°W (Elev. 16 ft)
6:47 am PDT Aug 27, 2026
7am PDT Aug 27, 2026-6pm PDT Sep 2, 2026
 
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Additional Resources

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