Storm Tracking Across the Plains; Powerful Pacific System is Approaching

Some heavy rain and possible flash flooding may affect the Central Plains through Thursday. Meanwhile, wintry weather conditions will spread through portions of Central and Northern Plains. A powerful storm system is forecast to approach the Pacific Northwest, then spreading inland and down through California through the end of this week. A series of storms will impact Alaska into the weekend. Read More >

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Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.884444°WElev: 1600ft.

45°F

7°C

Humidity	69%
Wind Speed	W 2 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	NA
Last update	08 Dec 01:28 AM PST

More Information:

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

Extended Forecast for

Brentwood CA

Overnight

Partly Cloudy
Low: 40 °F
Thursday

Slight Chance
Rain then
Rain
High: 55 °F
Thursday
Night

Rain then
Chance Rain
Low: 42 °F
Friday

Partly Sunny
High: 56 °F
Friday
Night

Chance Rain
then Rain
Low: 46 °F
Saturday

Rain
High: 55 °F
Saturday
Night

Showers
Low: 45 °F
Sunday

Rain
High: 54 °F
Sunday
Night

Chance Rain
Low: 38 °F

Detailed Forecast

Overnight

Partly cloudy, with a low around 40. Light south southwest wind.

Thursday

Rain, mainly after 4pm. High near 55. Southeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Night

Rain, mainly before 10pm. Low around 42. Southeast wind 5 to 9 mph becoming west southwest after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Friday

Partly sunny, with a high near 56. Light and variable wind.

Friday Night

Rain, mainly after 4am. Low around 46. Southeast wind 6 to 13 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

Rain. High near 55. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Saturday Night

Rain before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then rain and possibly a thunderstorm after 4am. Some of the storms could produce small hail. Low around 45. Chance of precipitation is 100%.

Sunday

Rain, mainly before 4pm. Mostly cloudy, with a high near 54.

Sunday Night

A chance of rain, mainly before 10pm. Mostly cloudy, with a low around 38.

Monday

Mostly sunny, with a high near 51.

Monday Night

Patchy frost. Otherwise, mostly clear, with a low around 34.

Tuesday

Areas of frost. Otherwise, mostly sunny, with a high near 50.

Tuesday Night

Partly cloudy, with a low around 34.