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.

47°F

8°C

Humidity	82%
Wind Speed	SSE 5 MPH
Barometer	NA
Dewpoint	42°F (6°C)
Visibility	NA
Wind Chill	45°F (7°C)
Last update	12 Apr 08:28 AM PDT

More Information:

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

Extended Forecast for

4 Miles ENE Clayton CA

Today
High: 52 °F
Showers
Tonight
Low: 45 °F
Chance
Showers then
Partly Cloudy
Monday
High: 58 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 59 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Clear
Wednesday
High: 61 °F
Mostly Sunny
Wednesday Night
Low: 48 °F
Partly Cloudy
Thursday
High: 62 °F
Sunny

Detailed Forecast

Today

Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 52. Southwest wind 16 to 20 mph, with gusts as high as 33 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 30 percent chance of showers, mainly between 7pm and 11pm. Partly cloudy, with a low around 45. Southwest wind 6 to 14 mph, with gusts as high as 23 mph.

Monday

Mostly sunny, with a high near 58. West northwest wind 6 to 10 mph.

Monday Night

Mostly clear, with a low around 46. Southwest wind around 11 mph, with gusts as high as 18 mph.

Tuesday

Sunny, with a high near 59. Southwest wind 9 to 11 mph, with gusts as high as 20 mph.

Tuesday Night

Mostly clear, with a low around 46.

Wednesday

Mostly sunny, with a high near 61.

Wednesday Night

Partly cloudy, with a low around 48.