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 29, 01:00 AM PST until December 29, 09:00 AM PST

Current conditions at

BLACK DIAMOND (PIBC1)

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

42°F

6°C

Humidity	55%
Wind Speed	NW 5 MPH
Barometer	NA
Dewpoint	27°F (-3°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	29 Dec 07:28 AM PST

More Information:

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

Extended Forecast for

2 Miles NW Brentwood CA

Cold Weather Advisory until December 29, 09:00am

Click here for hazard details and duration

...

Cold Weather Advisory until December 29, 09:00am
NOW until 9:00am Mon
Cold Weather Advisory
Today
High: 55 °F
Sunny
Tonight
Low: 37 °F
Mostly Clear
then Patchy
Dense Fog
Tuesday
High: 49 °F
Patchy Dense
Fog then
Mostly Cloudy
Tuesday Night
Low: 44 °F
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

Detailed Forecast

Today

Sunny, with a high near 55. North northeast wind 3 to 6 mph.

Tonight

Patchy dense fog after 3am. Otherwise, partly cloudy, with a low around 37. 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

Mostly cloudy, with a low around 44. Light and variable wind.

Wednesday

Rain likely, mainly after 4pm. Cloudy, with a high near 48. North northeast 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.