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.

45°F

7°C

Humidity	97%
Wind Speed	S 8 MPH
Barometer	NA
Dewpoint	44°F (7°C)
Visibility	NA
Wind Chill	41°F (5°C)
Last update	12 Apr 04:28 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

2 Miles WNW Oakley CA

Overnight
Low: 51 °F
Chance
Showers
Sunday
High: 59 °F
Showers
Sunday Night
Low: 48 °F
Chance
Showers then
Mostly Clear
Monday
High: 64 °F
Mostly Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 65 °F
Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 66 °F
Mostly Sunny
Wednesday Night
Low: 52 °F
Partly Cloudy

Detailed Forecast

Overnight

A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. South wind around 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 59. South wind 14 to 16 mph becoming west southwest in the afternoon. Winds could gust 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.

Sunday Night

A 40 percent chance of showers, mainly before 9pm. Partly cloudy, with a low around 48. West southwest wind 5 to 10 mph becoming light southwest after midnight.

Monday

Mostly sunny, with a high near 64. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

Monday Night

Mostly clear, with a low around 48. West southwest wind around 8 mph.

Tuesday

Sunny, with a high near 65.

Tuesday Night

Mostly clear, with a low around 48.

Wednesday

Mostly sunny, with a high near 66.

Wednesday Night

Partly cloudy, with a low around 52.