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.

50°F

10°C

Humidity	100%
Wind Speed	SE 1 MPH
Barometer	NA
Dewpoint	50°F (10°C)
Visibility	NA
Last update	11 Apr 02:28 AM PDT

More Information:

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

Extended Forecast for

2 Miles ESE Antioch CA

Overnight
Low: 55 °F
Slight Chance
Rain
Saturday
High: 65 °F
Showers
Saturday Night
Low: 49 °F
Showers
Sunday
High: 59 °F
Showers
Sunday Night
Low: 46 °F
Chance Rain
then Mostly
Clear
Monday
High: 63 °F
Mostly Sunny
Monday Night
Low: 46 °F
Mostly Clear
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 46 °F
Mostly Clear

Detailed Forecast

Overnight

A 20 percent chance of rain before 4am. Partly cloudy, with a steady temperature around 55. South wind around 6 mph.

Saturday

Rain and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 65. South wind 7 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then rain after 5am. Low around 49. South southeast wind 8 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Rain before 8am, then showers and possibly a thunderstorm after 8am. High near 59. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 40 percent chance of rain before 11pm. Partly cloudy, with a low around 46. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts of less than a tenth of an inch possible.

Monday

Mostly sunny, with a high near 63.

Monday Night

Mostly clear, with a low around 46.

Tuesday

Sunny, with a high near 68.

Tuesday Night

Mostly clear, with a low around 46.

Wednesday

Sunny, with a high near 68.

Wednesday Night

Partly cloudy, with a low around 50.