Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

47°F

8°C

Humidity 82%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 12 Apr 08:28 AM PDT
Extended Forecast for

2 Miles WNW Oakley CA

  • Today

    Today: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  High near 58. Southwest wind 14 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 7pm and 11pm.  Partly cloudy, with a low around 48. West southwest wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63. West northwest wind 3 to 8 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. West southwest wind around 9 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64. West southwest wind 6 to 8 mph.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 58. Southwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers, mainly between 7pm and 11pm. Partly cloudy, with a low around 48. West southwest wind 5 to 10 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 63. West northwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 49. West southwest wind around 9 mph.
Tuesday
Sunny, with a high near 64. West southwest wind 6 to 8 mph.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Oakley CA
 38.01°N 121.75°W (Elev. 13 ft)
8:36 am PDT Apr 12, 2026
9am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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