National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

60°F

16°C

Humidity 76%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 04 Nov 04:28 PM PST
Extended Forecast for

Pittsburg CA

Wind Advisory November 4, 10:00pm until November 5, 04:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Rain, mainly after 4am. Low around 60. Breezy, with a south southeast wind 7 to 12 mph becoming south southeast 19 to 24 mph. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Chance Rain
    then Rain and
    Breezy

  • Wednesday

    Wednesday: Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then a chance of rain and thunderstorms after 4pm. High near 63. Windy, with a south wind 26 to 36 mph decreasing to 15 to 25 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers and
    Windy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 57. Southwest wind 7 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance Rain
    then Slight
    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 65. West wind 5 to 7 mph.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. West southwest wind 9 to 11 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 4am. Low around 60. Breezy, with a south southeast wind 7 to 12 mph becoming south southeast 19 to 24 mph. Winds could gust as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then a chance of rain and thunderstorms after 4pm. High near 63. Windy, with a south wind 26 to 36 mph decreasing to 15 to 25 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 50 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 57. Southwest wind 7 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 65. West wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 57. West southwest wind 9 to 11 mph.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 56.
Veterans Day
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.04°N 121.87°W (Elev. 3 ft)
Last Update:
2:27 pm PST Nov 4, 2025
Forecast Valid:
5pm PST Nov 4, 2025-6pm PST Nov 11, 2025
 
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Additional Resources

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Chance of Precipitation