Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

51°F

11°C

Humidity 62%
Wind Speed S 11 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 08 Feb 06:28 AM PST
Extended Forecast for

2 Miles NNW Discovery Bay CA

Dense Fog Advisory February 8, 07:25am until February 8, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory February 8, 07:25am until February 8, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Today

    High: 71 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy dense fog after 9pm.  Otherwise, mostly cloudy, with a low around 49. West wind 3 to 7 mph.

    Low: 49 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 63. North northwest wind 6 to 9 mph.

    High: 63 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Cloudy, with a low around 48. West northwest wind around 5 mph becoming light and variable  in the evening.

    Low: 48 °F

    Cloudy

  • Tuesday

    Tuesday: A chance of rain, then showers likely and possibly a thunderstorm after 4pm.  Cloudy, with a high near 56. Calm wind becoming south southwest around 6 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then rain likely, mainly between 7pm and 10pm.  Patchy fog before 10pm, then patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 45. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 4pm.  Areas of fog before 9am.  Otherwise, partly sunny, with a high near 58.

    High: 58 °F

    Chance Rain
    and Areas Fog

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 10pm.  Patchy fog after midnight.  Otherwise, partly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain then
    Patchy Fog

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 71. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Tonight
Patchy dense fog after 9pm. Otherwise, mostly cloudy, with a low around 49. West wind 3 to 7 mph.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63. North northwest wind 6 to 9 mph.
Monday Night
Cloudy, with a low around 48. West northwest wind around 5 mph becoming light and variable in the evening.
Tuesday
A chance of rain, then showers likely and possibly a thunderstorm after 4pm. Cloudy, with a high near 56. Calm wind becoming south southwest around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then rain likely, mainly between 7pm and 10pm. Patchy fog before 10pm, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 45. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 40 percent chance of rain, mainly before 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 58.
Wednesday Night
A slight chance of rain before 10pm. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 40.
Friday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 60.
Friday Night
A chance of rain. Mostly cloudy, with a low around 44.
Saturday
A chance of rain. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Discovery Bay CA
 37.92°N 121.61°W (Elev. 7 ft)
5:58 am PST Feb 8, 2026
7am PST Feb 8, 2026-6pm PST Feb 14, 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