Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

89°F

32°C

Humidity 17%
Wind Speed S 19 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Heat Index85°F (29°C)
Last update 04 Aug 04:28 PM PDT
Extended Forecast for

Clayton CA

Heat Advisory until August 4, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 4, 10:00pm

    NOW until 10:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 98 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 59. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 59 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. West southwest wind 7 to 9 mph.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95. West wind 7 to 9 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a steady temperature around 98. West southwest wind around 10 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 59. West southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday
Sunny and hot, with a high near 97. West southwest wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
Clear, with a low around 59. West southwest wind 7 to 9 mph.
Thursday
Sunny, with a high near 95. West wind 7 to 9 mph.
Thursday Night
Clear, with a low around 59.
Friday
Sunny and hot, with a high near 102.
Friday Night
Clear, with a low around 61.
Saturday
Sunny and hot, with a high near 103.
Saturday Night
Clear, with a low around 62.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 89.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton CA
 37.96°N 121.97°W (Elev. 249 ft)
1:26 pm PDT Aug 4, 2026
5pm PDT Aug 4, 2026-6pm PDT Aug 11, 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