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 the Northeastern Seaboard. 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

5 Miles N Discovery Bay CA

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after midnight.  Cloudy, with a low around 54. Calm wind becoming east southeast around 5 mph after midnight.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Slight Chance
    Rain then
    Chance Rain

  • Tuesday

    Tuesday: Rain, mainly after 2pm.  High near 64. Southeast wind 6 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 8pm.  Low around 55. South southeast wind 3 to 6 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 68 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. West northwest wind 3 to 6 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 69.

    High: 69 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of rain, mainly after midnight. Cloudy, with a low around 54. Calm wind becoming east southeast around 5 mph after midnight. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain, mainly after 2pm. High near 64. Southeast wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain, mainly before 8pm. Low around 55. South southeast wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 68. Calm wind becoming northwest around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 49. West northwest wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
Mostly cloudy, with a high near 69.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A slight chance of rain after 4pm. Mostly cloudy, with a high near 70.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Sunday
A slight chance of rain. Partly sunny, with a high near 67.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Discovery Bay CA
 37.97°N 121.57°W (Elev. 3 ft)
2:22 pm PST Feb 23, 2026
4pm PST Feb 23, 2026-6pm PST Mar 2, 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