Heavy Precipitation in the West; Wintry Mix in the North; Fire Weather in the High Plains

Pacific moisture will continue to bring locally heavy coastal/lower elevation rain and heavy mountain snow to the West Coast and portions of the Intermountain West through Monday. A wintry mix will create hazardous travel across the northern Plains and Upper Midwest into early Monday. Dry, gusty winds are resulting in elevated to critical fire weather in the south/central High Plains. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

47°F

8°C

Humidity 82%
Wind Speed E 4 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 05 Jan 12:28 AM PST
Extended Forecast for

Pittsburg CA

  • Overnight

    Overnight: Showers likely, mainly after 4am.  Cloudy, with a low around 49. Southeast wind 10 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Monday

    Monday: Showers.  High near 55. Southeast wind 11 to 17 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 46. East wind 8 to 10 mph.  Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Northeast wind 5 to 7 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. Light and variable wind becoming west southwest around 6 mph in the evening.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Thursday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers likely, mainly after 4am. Cloudy, with a low around 49. Southeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Monday
Showers. High near 55. Southeast wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 46. East wind 8 to 10 mph. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 55. Northeast wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 48. Light and variable wind becoming west southwest around 6 mph in the evening.
Wednesday
Mostly sunny, with a high near 54.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 40.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 39.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Pittsburg CA
 38.04°N 121.87°W (Elev. 3 ft)
12:56 am PST Jan 5, 2026
1am PST Jan 5, 2026-6pm PST Jan 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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