Dangerous Heat Wave from the Midwest to East Coast

A large ridge of high pressure extending from the Central to Eastern U.S. will deliver a dangerous summer heat wave through the weekend. Widespread excessive heat warnings and heat advisories already cover the Eastern two-thirds of the country. A number of record highs and overnight warm minimum temperatures are likely. Heat indices will surge past 100 degrees and approach the 110s. Heat Safety! Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.884444°WElev: 1600ft.

NA

18°C

65°F

Humidity 56%
Wind Speed SW 8 G 20 MPH
Barometer NA
Dewpoint 9°C (49°F)
Visibility NA
Last update 18 Jul 10:28 pm PDT
Extended Forecast for

4 Miles SSE Clayton CA

  • Tonight

    Tonight: Partly cloudy, with a low around 16. South wind 14 to 18 km/h.

    Partly Cloudy

    Low: 16 °C

  • Friday

    Friday: Sunny, with a high near 22. South wind 11 to 21 km/h, with gusts as high as 29 km/h.

    Sunny

    High: 22 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 15. South southwest wind 13 to 18 km/h.

    Mostly Clear

    Low: 15 °C

  • Saturday

    Saturday: Sunny, with a high near 22. South southwest wind 10 to 14 km/h.

    Sunny

    High: 22 °C

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 16. West wind 8 to 14 km/h.

    Mostly Clear

    Low: 16 °C

  • Sunday

    Sunday: Sunny, with a high near 23.

    Sunny

    High: 23 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 17.

    Mostly Clear

    Low: 17 °C

  • Monday

    Monday: Sunny, with a high near 24.

    Sunny

    High: 24 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 17.

    Mostly Clear

    Low: 17 °C

Detailed Forecast

Tonight
Partly cloudy, with a low around 16. South wind 14 to 18 km/h.
Friday
Sunny, with a high near 22. South wind 11 to 21 km/h, with gusts as high as 29 km/h.
Friday Night
Mostly clear, with a low around 15. South southwest wind 13 to 18 km/h.
Saturday
Sunny, with a high near 22. South southwest wind 10 to 14 km/h.
Saturday Night
Mostly clear, with a low around 16. West wind 8 to 14 km/h.
Sunday
Sunny, with a high near 23.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 16.
Wednesday
Sunny, with a high near 26.
Wednesday Night
Mostly clear, with a low around 17.
Thursday
Sunny, with a high near 25.
Click Map For Forecast
Point Forecast:
4 Miles SSE Clayton CA
 37.87°N 121.92°W (Elev. 859 m)
3:20 pm PDT Jul 18, 2019
11pm PDT Jul 18, 2019-6pm PDT Jul 25, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database