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

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 >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

47°F

8°C

Humidity 30%
Wind Speed NNW 10 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 09 Jan 05:28 PM PST
Extended Forecast for

Pittsburg CA

Cold Weather Advisory January 10, 01:00am until January 10, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 38. East wind 3 to 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 52. East northeast wind around 7 mph.

    High: 52 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40. Light east wind.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53. Northeast wind around 5 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. East wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 52. East northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 40. Light east wind.
Sunday
Mostly sunny, with a high near 53. Northeast wind around 5 mph.
Sunday Night
Mostly clear, with a low around 40. Calm wind.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 59.
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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:
1:09 pm PST Jan 9, 2026
Forecast Valid:
6pm PST Jan 9, 2026-6pm PST Jan 16, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation