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

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

79°F

26°C

Humidity 25%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Heat Index78°F (26°C)
Last update 10 Aug 02:28 AM PDT
Extended Forecast for

Pittsburg CA

  • Tonight

    Tonight: Increasing clouds, with a low around 62. West wind 11 to 13 mph, with gusts as high as 22 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. West wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. West southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. West wind 11 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 80. West wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 62. West southwest wind around 14 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 74. West southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 61. West southwest wind 14 to 16 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.04°N 121.87°W (Elev. 3 ft)
Last Update:
1:26 pm PDT Aug 11, 2026
Forecast Valid:
5pm PDT Aug 11, 2026-6pm PDT Aug 18, 2026
 
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