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.

53°F

12°C

Humidity	85%
Wind Speed	NE 5 MPH
Barometer	NA
Dewpoint	49°F (9°C)
Visibility	NA
Last update	11 Apr 11:28 AM PDT

More Information:

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

Extended Forecast for

2 Miles ESE Antioch CA

This Afternoon
High: 64 °F
Showers
Likely
Tonight
Low: 49 °F
Showers then
Showers
Likely
Sunday
High: 59 °F
Showers
Sunday Night
Low: 46 °F
Chance
Showers then
Partly Cloudy
Monday
High: 64 °F
Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 47 °F
Mostly Clear
Wednesday
High: 69 °F
Sunny

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Cloudy, with a high near 64. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then a chance of showers and thunderstorms after 4am. Low around 49. Southwest wind 8 to 13 mph becoming south southeast in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 59. South wind 10 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 24 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 30 percent chance of showers before 11pm. Partly cloudy, with a low around 46. West southwest wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 18 mph.

Monday

Sunny, with a high near 64. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

Monday Night

Mostly clear, with a low around 48.

Tuesday

Sunny, with a high near 68.

Tuesday Night

Mostly clear, with a low around 47.

Wednesday

Sunny, with a high near 69.

Wednesday Night

Partly cloudy, with a low around 50.