Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. 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: Partly cloudy, with a low around 44. South southwest wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64. Calm wind becoming east northeast around 6 mph in the morning.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of rain after 10pm.  Cloudy, with a low around 53. South wind around 6 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 10am.  High near 62. South wind around 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm.  Low around 54. South southwest wind 6 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Mostly cloudy, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. South southwest wind 3 to 5 mph.
Monday
Partly sunny, with a high near 64. Calm wind becoming east northeast around 6 mph in the morning.
Monday Night
A 40 percent chance of rain after 10pm. Cloudy, with a low around 53. South wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly after 10am. High near 62. South wind around 8 mph. 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. South southwest wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Partly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 68.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Sunday
Mostly cloudy, with a high near 65.
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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 22, 2026
8pm PST Feb 22, 2026-6pm PST Mar 1, 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