Winter Storm Bringing Widespread Hazardous Weather to the Eastern U.S.

A rapidly-intensifying winter storm continues to bring heavy snow, high winds, and blizzard conditions over the Upper Midwest and Great Lakes through today. An Arctic front will lead in a period of gusty to high winds and sharply colder temperatures over the entire eastern U.S. Heavy lake effect snow is then expected from Lakes Erie and Ontario through New Year's Day. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from December 30, 01:00 AM PST until December 30, 09:00 AM PST

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.88444°WElev: 1600.0ft.

51°F

11°C

Humidity	38%
Wind Speed	NNW 8 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	29 Dec 11:28 AM PST

More Information:

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

Extended Forecast for

Brentwood CA

Cold Weather Advisory December 30, 01:00am until December 30, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Today
High: 55 °F
Sunny
Tonight
Low: 36 °F
Mostly Clear
then Patchy
Dense Fog
Tuesday
High: 49 °F
Patchy Dense
Fog then
Partly Sunny
Tuesday Night
Low: 44 °F
Patchy Fog
then Mostly
Cloudy
Wednesday
High: 48 °F
Chance Rain
then Rain
Likely
Wednesday Night
Low: 47 °F
Rain and
Patchy Fog
New Year's Day
High: 54 °F
Rain
Thursday Night
Low: 50 °F
Rain Likely
Friday
High: 57 °F
Rain Likely

Detailed Forecast

Today

Sunny, with a high near 55. North northeast wind 3 to 5 mph.

Tonight

Patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 36. Calm wind.

Tuesday

Patchy dense fog before 10am. Otherwise, mostly cloudy, with a high near 49. Calm wind becoming east northeast around 6 mph in the morning.

Tuesday Night

Patchy fog between 7pm and 8pm. Otherwise, mostly cloudy, with a low around 44. Calm wind.

Wednesday

Rain likely, mainly after 4pm. Cloudy, with a high near 48. North wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Patchy fog before 1am. Low around 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

New Year's Day

Rain. High near 54. Chance of precipitation is 80%.

Thursday Night

Rain likely. Mostly cloudy, with a low around 50.

Friday

Rain likely. Cloudy, with a high near 57.

Friday Night

Rain likely. Cloudy, with a low around 50.

Saturday

Rain likely. Mostly cloudy, with a high near 55.

Saturday Night

Rain likely. Mostly cloudy, with a low around 49.