Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

78°F

26°C

Humidity 33%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Heat Index78°F (26°C)
Last update 03 Aug 08:28 PM PDT
Extended Forecast for

Bethel Island CA

Heat Advisory until August 3, 10:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory until August 3, 10:00pm

    NOW until 10:00pm Mon

    Heat Advisory

  • Tonight

    Low: 62 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. West northwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60. West wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 59. West wind 7 to 14 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

Detailed Forecast

Tonight
Clear, with a low around 62. West wind 5 to 10 mph becoming light west northwest. Winds could gust as high as 18 mph.
Tuesday
Sunny and hot, with a high near 98. West northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Clear, with a low around 60. West wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 93. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Wednesday Night
Clear, with a low around 59. West wind 7 to 14 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 95.
Thursday Night
Clear, with a low around 61.
Friday
Sunny and hot, with a high near 98.
Friday Night
Clear, with a low around 63.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Clear, with a low around 66.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 88.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Bethel Island CA
 38.01°N 121.64°W (Elev. 3 ft)
1:26 pm PDT Aug 3, 2026
9pm PDT Aug 3, 2026-6pm PDT Aug 10, 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