Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. 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

Discovery Bay CA

  • Overnight

    Overnight: Partly cloudy, with a low around 60. Light west northwest wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Northwest wind 5 to 7 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. West wind around 6 mph becoming calm  after midnight.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. West wind 5 to 9 mph becoming light west southwest  after midnight.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 60. Light west northwest wind.
Tuesday
Sunny and hot, with a high near 98. Northwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 61. West wind around 6 mph becoming calm after midnight.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61. West wind 5 to 9 mph becoming light west southwest after midnight.
Thursday
Mostly sunny, with a high near 94.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 90.
Saturday Night
Clear, with a low around 59.
Sunday
Sunny, with a high near 92.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Discovery Bay CA
 37.9°N 121.61°W (Elev. 3 ft)
2:21 am PDT Aug 18, 2026
3am PDT Aug 18, 2026-6pm PDT Aug 24, 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