Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

54°F

12°C

Humidity 84%
Wind Speed S 12 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 01 Mar 08:28 AM PST
Extended Forecast for

2 Miles ESE Antioch CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 66. West wind 5 to 8 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 3am.  Otherwise, partly cloudy, with a low around 49. West southwest wind 5 to 7 mph.

    Low: 49 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Light and variable wind becoming northwest around 6 mph in the morning.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 48. West southwest wind around 6 mph.

    Low: 48 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 66. West wind 3 to 6 mph.

    High: 66 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 66. West wind 5 to 8 mph.
Tonight
Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 49. West southwest wind 5 to 7 mph.
Monday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. Light and variable wind becoming northwest around 6 mph in the morning.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 48. West southwest wind around 6 mph.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 66. West wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Antioch CA
 37.99°N 121.77°W (Elev. 200 ft)
1:17 am PST Mar 1, 2026
8am PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

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