Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

42°F

6°C

Humidity	66%
Wind Speed	NE 5 MPH
Barometer	NA
Dewpoint	31°F (-1°C)
Visibility	NA
Wind Chill	39°F (4°C)
Last update	21 Feb 04:28 AM PST

More Information:

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

Extended Forecast for

Clayton CA

Tonight
Low: 43 °F
Partly Cloudy
then Patchy
Fog
Monday
High: 69 °F
Mostly Sunny
Monday Night
Low: 52 °F
Chance Rain
Tuesday
High: 66 °F
Rain
Tuesday Night
Low: 54 °F
Rain then
Chance Rain
Wednesday
High: 67 °F
Slight Chance
Rain then
Partly Sunny
Wednesday Night
Low: 49 °F
Partly Cloudy
Thursday
High: 70 °F
Partly Sunny
Thursday Night
Low: 50 °F
Partly Cloudy

Detailed Forecast

Tonight

Patchy fog after 3am. Otherwise, partly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening.

Monday

Mostly sunny, with a high near 69. Calm wind becoming east northeast around 6 mph in the morning.

Monday Night

A 40 percent chance of rain after 10pm. Mostly cloudy, with a low around 52. South wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

Tuesday

Rain. High near 66. South wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tuesday Night

Rain, mainly before 10pm. Low around 54. Southwest wind 6 to 8 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday

A 20 percent chance of rain before 10am. Partly sunny, with a high near 67.

Wednesday Night

Partly cloudy, with a low around 49.

Thursday

Partly sunny, with a high near 70.

Thursday Night

Partly cloudy, with a low around 50.

Friday

Partly sunny, with a high near 72.

Friday Night

Mostly cloudy, with a low around 51.