National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Snow Squalls in the Northeast U.S. on Thursday; Heavy Rain Along the Gulf Coast

An arctic cold front will move through the Great Lakes and Northeast on Thursday, bringing moderate to heavy snow, strong winds, and possible whiteout conditions through Thursday afternoon. A storm system interacting with Gulf moisture will bring moderate to heavy rainfall to the western and central Gulf Coast on Thursday. Isolated instances of flash flooding will be possible. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

47°F

8°C

Humidity 54%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 04 Dec 01:28 AM PST
Extended Forecast for

5 Miles N Discovery Bay CA

  • Overnight

    Overnight: Partly cloudy, with a low around 37. Calm wind becoming south southeast around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 54. Light north wind.

    High: 54 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. West southwest wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Light north northwest wind.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

Detailed Forecast

Overnight
Partly cloudy, with a low around 37. Calm wind becoming south southeast around 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 54. Light north wind.
Thursday Night
Mostly clear, with a low around 40. West southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 60. Light north northwest wind.
Friday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 43. Light and variable wind.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 61.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 44.
Sunday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 60.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Monday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 61.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 60.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 45.
Wednesday
Patchy fog. Otherwise, partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles N Discovery Bay CA
 37.97°N 121.57°W (Elev. 3 ft)
Last Update:
12:26 am PST Dec 4, 2025
Forecast Valid:
1am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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