National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorm and Excessive Rainfall Potential for the Central U.S. Today

Severe thunderstorms with a threat for large hail, isolated damaging winds and possibly a tornado are expected in parts of eastern Colorado today from mid afternoon to early evening. Several days of heavy rainfall will begin today over the western Gulf Coast where Flood Watches and excessive rainfall outlooks have been issued for today, Saturday, and Sunday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

85°F

29°C

Humidity 18%
Wind Speed SSW 13 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index82°F (28°C)
Last update 21 May 03:28 PM PDT
Extended Forecast for

Clayton CA

  • Tonight

    Tonight: Clear, with a low around 51. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 88. West southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. West wind 8 to 11 mph, with gusts as high as 22 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 51. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 88. West southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 50. West southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 81. West wind 8 to 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 50. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 50.
Memorial Day
Sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton CA
 37.94°N 121.94°W (Elev. 400 ft)
Last Update:
1:26 pm PDT May 21, 2026
Forecast Valid:
4pm PDT May 21, 2026-6pm PDT May 28, 2026
 
Forecast Discussion
 
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Additional Resources

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