Winter Storm Impacting The Western U.S.

A winter storm continues to pound the Western U.S. today with heavy mountain snow, locally heavy rainfall and gusty winds. The heaviest snowfall is expected from the Sierra to parts of the Intermountain West. The heaviest rainfall with localized flooding is likely along the central California coastline. Windy conditions span from the West into the central High Plains. Read More >

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Current conditions at

BLACK DIAMOND (PIBC1)

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

10°C

50°F

Humidity	84%
Wind Speed	NNW 14 MPH
Barometer	NA
Dewpoint	7°C (45°F)
Visibility	NA
Wind Chill	7°C (45°F)
Last update	01 Dec 09:28 AM PST

More Information:

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

Extended Forecast for

4 Miles S Clayton CA

Today

Rain then
Rain/Snow
High: 2 °C
Tonight

Slight Chance
Rain/Snow
then Mostly
Clear
Low: 2 °C
Friday

Frost
High: 1 °C
Friday
Night

Partly Cloudy
then Chance
Rain
Low: 2 °C
Saturday

Rain Likely
High: 8 °C
Saturday
Night

Rain
Low: 6 °C
Sunday

Rain
High: 9 °C
Sunday
Night

Rain Likely
Low: 7 °C
Monday

Chance Rain
High: 8 °C

Detailed Forecast

Today

Rain before 2pm, then rain and snow. Steady temperature around 2. West wind 21 to 26 km/h, with gusts as high as 32 km/h. Chance of precipitation is 90%. Total daytime snow accumulation of less than a half centimeter possible.

Tonight

A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 10pm. Mostly clear, with a steady temperature around 2. West wind 21 to 26 km/h decreasing to 14 to 19 km/h after midnight. Winds could gust as high as 32 km/h. Chance of precipitation is 20%. New precipitation amounts of less than 1 mm possible.

Friday

Widespread frost, mainly between 11am and 3pm. Otherwise, mostly sunny, with a steady temperature around 1. Northeast wind 10 to 13 km/h.

Friday Night

A 30 percent chance of rain after 4am. Partly cloudy, with a low around 2. East wind around 14 km/h. New precipitation amounts between 1 and 2.5 mm possible.

Saturday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 8. East southeast wind around 14 km/h. Chance of precipitation is 70%. New precipitation amounts between 7.5 mm and 1 cm possible.

Saturday Night

Rain. Low around 6. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.

Sunday

Rain. High near 9. Chance of precipitation is 80%.

Sunday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 7.

Monday

A chance of rain, mainly before 4pm. Partly sunny, with a high near 8.

Monday Night

A slight chance of rain before 10pm. Partly cloudy, with a low around 4.

Tuesday

Mostly sunny, with a high near 6.