Upcoming Pattern Shift to Bring Heavy Mountain Snow to the West

Heavy, accumulating snow is likely today in the Cascades and Sierra Nevada. Another Bering Sea storm will bring strong winds and heavy precipitation to the Aleutians and southwest Alaska into Thursday. Light snow is expected from the Ohio Valley into the Northeast. A widespread and significant winter storm is expected to move into the Central Rockies and High Plains Thursday into Friday. Read More >

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Current conditions at

BLACK DIAMOND (PIBC1)

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

46°F

8°C

Humidity	100%
Wind Speed	W 14 MPH
Barometer	NA
Dewpoint	46°F (8°C)
Visibility	NA
Wind Chill	40°F (4°C)
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

4 Miles SSE Clayton CA

Overnight

Partly Cloudy
Low: 50 °F
Wednesday

Partly Sunny
High: 50 °F⇓
Wednesday
Night

Chance Rain
and Breezy
Low: 45 °F
Thursday

Slight Chance
Rain then
Sunny
High: 48 °F
Thursday
Night

Mostly Clear
and Windy
Low: 40 °F
Friday

Sunny and
Breezy
High: 46 °F
Friday
Night

Mostly Clear
Low: 39 °F
Saturday

Mostly Sunny
High: 46 °F
Saturday
Night

Slight Chance
Rain
Low: 43 °F

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 50. Light northwest wind.

Wednesday

Partly sunny, with a temperature falling to around 44 by 2pm. Southwest wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph.

Wednesday Night

A 30 percent chance of rain, mainly between 10pm and 4am. Cloudy, with a low around 45. Breezy, with a west wind 17 to 25 mph, with gusts as high as 38 mph. New precipitation amounts of less than a tenth of an inch possible.

Thursday

A 20 percent chance of rain before 10am. Mostly cloudy, then gradually becoming sunny, with a high near 48. North northwest wind 18 to 21 mph, with gusts as high as 31 mph.

Thursday Night

Mostly clear, with a low around 40. Windy, with a north wind 24 to 30 mph, with gusts as high as 45 mph.

Friday

Sunny, with a high near 46. Breezy.

Friday Night

Mostly clear, with a low around 39.

Saturday

Mostly sunny, with a high near 46.

Saturday Night

A slight chance of rain after 10pm. Mostly cloudy, with a low around 43.

Sunday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51.