Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

70°F

21°C

Humidity 20%
Wind Speed SSE 6 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Last update 20 May 01:28 AM PDT
Extended Forecast for

3 Miles SE Bethel Island CA

  • Overnight

    Overnight: Mostly clear, with a low around 58. Light and variable wind.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57. West wind 5 to 8 mph becoming calm  after midnight.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 92. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 57. West wind 6 to 11 mph becoming light west southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Light and variable wind.
Wednesday
Sunny, with a high near 89. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Wednesday Night
Clear, with a low around 57. West wind 5 to 8 mph becoming calm after midnight.
Thursday
Sunny, with a high near 92. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Clear, with a low around 57. West wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 53.
Memorial Day
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Bethel Island CA
 37.99°N 121.6°W (Elev. -6 ft)
1:26 am PDT May 20, 2026
2am PDT May 20, 2026-6pm PDT May 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database