Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

Port Chicago (PCOC1)

Lat: 38.056°NLon: 122.0395°WElev: 0.0ft.

48°F

9°C

Humidity	NA
Wind Speed	NNE 14 MPH
Barometer	29.85 in (1010.84 mb)
Dewpoint	N/A
Visibility	NA
Wind Chill	42°F (6°C)
Last update	NA

More Information:

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

Extended Forecast for

5 Miles NW Concord CA

New Year's Day
High: 59 °F
Showers
Tonight
Low: 48 °F
Showers
Likely then
Chance
Showers
Friday
High: 57 °F
Chance
Showers then
Showers
Likely
Friday Night
Low: 54 °F
Showers
Saturday
High: 58 °F
Showers
Saturday Night
Low: 53 °F
Showers
Sunday
High: 56 °F
Showers
Sunday Night
Low: 50 °F
Showers
Monday
High: 54 °F
Showers

Detailed Forecast

New Year's Day

Showers. High near 59. East northeast wind 7 to 11 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Tonight

Showers likely, mainly before 10pm. Mostly cloudy, with a low around 48. South wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%.

Friday

Showers likely, mainly after 4pm. Mostly cloudy, with a high near 57. Southeast wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Showers. Low around 54. South southeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Saturday

Showers. High near 58. South wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Saturday Night

Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers. High near 56. Chance of precipitation is 100%.

Sunday Night

Showers. Cloudy, with a low around 50.

Monday

Showers. Mostly cloudy, with a high near 54.

Monday Night

Showers likely, mainly before 10pm. Cloudy, with a low around 46.

Tuesday

A chance of showers. Mostly cloudy, with a high near 53.

Tuesday Night

A slight chance of showers. Mostly cloudy, with a low around 42.