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

48°F

9°C

Humidity 35%
Wind Speed N 12 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 09 Jan 07:28 PM PST
Extended Forecast for

3 Miles SSE 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: Patchy frost after 3am. Otherwise, partly cloudy, with a low around 36. Southeast wind around 6 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 50. East northeast wind around 7 mph.

    High: 50 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. East southeast wind 3 to 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52. North northeast wind 3 to 6 mph.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Patchy frost before 7am. Otherwise, mostly sunny, with a high near 53.

    High: 53 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °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 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy frost after 3am. Otherwise, partly cloudy, with a low around 36. Southeast wind around 6 mph.
Saturday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 50. East northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 38. East southeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 52. North northeast wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 37. Calm wind.
Monday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Pittsburg CA
 37.97°N 121.86°W (Elev. 692 ft)
Last Update:
1:09 pm PST Jan 9, 2026
Forecast Valid:
8pm PST Jan 9, 2026-6pm PST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation