Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

49°F

9°C

Humidity 36%
Wind Speed NNW 5 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 11 Jan 07:28 AM PST
Extended Forecast for

Pittsburg CA

Cold Weather Advisory until January 11, 09:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory until January 11, 09:00am

    NOW until 9:00am Sun

    Cold Weather Advisory

  • Today

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 54. Northeast wind 3 to 5 mph.

    High: 54 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39. Light northeast wind.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Northeast wind around 6 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Today
Mostly sunny, with a high near 56. East wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 38. Calm wind.
Monday
Sunny, with a high near 54. Northeast wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 39. Light northeast wind.
Tuesday
Mostly sunny, with a high near 57. Northeast wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 44.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 59.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.01°N 121.9°W (Elev. 85 ft)
12:26 am PST Jan 11, 2026
8am PST Jan 11, 2026-6pm PST Jan 17, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database