Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

77°F

25°C

Humidity 23%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Heat Index77°F (25°C)
Last update 21 Mar 01:28 AM PDT
Extended Forecast for

2 Miles NNW Discovery Bay CA

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Light west northwest wind becoming northwest 5 to 9 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. West southwest wind 6 to 9 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83. Northwest wind 5 to 8 mph.

    High: 83 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. West southwest wind 5 to 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 84. Light west northwest wind becoming northwest 5 to 9 mph in the morning.
Saturday Night
Mostly clear, with a low around 55. West southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 83. Northwest wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 50. West southwest wind 5 to 7 mph.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Discovery Bay CA
 37.92°N 121.61°W (Elev. 7 ft)
1:26 am PDT Mar 21, 2026
1am PDT Mar 21, 2026-6pm PDT Mar 27, 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