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

90°F

32°C

Humidity 28%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 53°F (12°C)
Visibility NA
Heat Index88°F (31°C)
Last update 12 Jul 02:28 PM PDT
Extended Forecast for

Pittsburg CA

  • This Afternoon

    This Afternoon: Isolated showers before 3pm.  Partly sunny, with a high near 90. West wind around 8 mph.  Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. West southwest wind around 8 mph.

    Low: 67 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 96. West wind 5 to 9 mph.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. West southwest wind around 9 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. West southwest wind 7 to 13 mph, with gusts as high as 22 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 67.

    Low: 67 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers before 3pm. Partly sunny, with a high near 90. West wind around 8 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 67. West southwest wind around 8 mph.
Monday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 96. West wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 70. West southwest wind around 9 mph.
Tuesday
Sunny and hot, with a high near 98. West southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Clear, with a low around 67.
Wednesday
Sunny, with a high near 95.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.01°N 121.9°W (Elev. 85 ft)
1:36 pm PDT Jul 12, 2026
2pm 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