Inclement Weather in the Pacific Northwest; Severe Thunderstorms in the Southeast; Impending Winter Storm

An approaching storm will bring rain and high elevation snow to Pacific Northwest through the weekend. Isolated severe thunderstorms are possible across parts of the Southeast today into this evening as a low strengthens over the Southeast. This system will form into a winter storm on Sunday that will bring heavy snow, high winds, and coastal flooding to the Mid-Atlantic and Northeast into Monday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

42°F

6°C

Humidity 66%
Wind Speed NE 5 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 21 Feb 04:28 AM PST
Extended Forecast for

3 Miles SSE Pittsburg CA

  • Tonight

    Tonight: Mostly clear, with a low around 41. South southeast wind around 9 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 63. South southeast wind around 6 mph.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. West wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. Northeast wind 3 to 6 mph.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: Rain likely, mainly after 4am.  Cloudy, with a low around 53. South wind around 6 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 59. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm.  Low around 54. Chance of precipitation is 90%.

    Low: 54 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A chance of rain, mainly before 10am.  Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 41. South southeast wind around 9 mph.
Sunday
Partly sunny, with a high near 63. South southeast wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 44. West wind 3 to 5 mph.
Monday
Partly sunny, with a high near 64. Northeast wind 3 to 6 mph.
Monday Night
Rain likely, mainly after 4am. Cloudy, with a low around 53. South wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 59. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, mainly before 10pm. Low around 54. Chance of precipitation is 90%.
Wednesday
A chance of rain, mainly before 10am. Mostly cloudy, with a high near 63.
Wednesday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 67.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A slight chance of rain. Partly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Pittsburg CA
 37.97°N 121.86°W (Elev. 692 ft)
12:26 pm PST Feb 21, 2026
7pm PST Feb 21, 2026-6pm PST Feb 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database