Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. 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

4 Miles SSE Clayton CA

  • Labor Day

    Labor Day: Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 69. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. West southwest wind 3 to 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 91. Light and variable wind.

    High: 91 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 77.

    Low: 77 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Labor Day
Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Clear, with a low around 69. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 74. West southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 91. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 77.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 2818 ft)
5:01 am PDT Sep 7, 2026
6am PDT Sep 7, 2026-6pm PDT Sep 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database