Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

68°F

20°C

Humidity 40%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 19 Apr 10:28 AM PDT
Extended Forecast for

4 Miles ENE Clayton CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 68. West southwest wind 10 to 17 mph, with gusts as high as 22 mph.

    High: 68 °F

    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of rain after 5am.  Partly cloudy, with a low around 48. Breezy, with a west southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.

    Low: 48 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 4pm.  Partly sunny, with a high near 65. South southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance Rain
    then Rain
    Likely

  • Monday Night

    Monday Night: Rain.  Low around 51. West southwest wind 16 to 21 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 26 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am.  High near 56. South southwest wind 8 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm.  Mostly cloudy, with a low around 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely then
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 11am.  Mostly sunny, with a high near 58.

    High: 58 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 68. West southwest wind 10 to 17 mph, with gusts as high as 22 mph.
Tonight
A 10 percent chance of rain after 5am. Partly cloudy, with a low around 48. Breezy, with a west southwest wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.
Monday
Rain likely, mainly after 4pm. Partly sunny, with a high near 65. South southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain. Low around 51. West southwest wind 16 to 21 mph decreasing to 7 to 12 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 56. South southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then rain likely, mainly between 8pm and 11pm. Mostly cloudy, with a low around 49. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 30 percent chance of rain, mainly before 11am. Mostly sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Clayton CA
 37.95°N 121.88°W (Elev. 1358 ft)
11:27 am PDT Apr 19, 2026
12pm PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database