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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

49°F

9°C

Humidity 94%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 06 Jan 10:28 PM PST
Extended Forecast for

2 Miles ESE Antioch CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Light west southwest wind.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 56. West wind 6 to 8 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. West wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 51. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 51 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37. North northwest wind around 7 mph.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Patchy frost before 7am. Otherwise, partly sunny, with a high near 50.

    High: 50 °F

    Patchy Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Light west southwest wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 56. West wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 41. West wind 8 to 10 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 51. North northwest wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 37. North northwest wind around 7 mph.
Friday
Sunny, with a high near 49.
Friday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 36.
Saturday
Patchy frost before 7am. Otherwise, partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 52.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Antioch CA
 37.99°N 121.77°W (Elev. 200 ft)
Last Update:
12:26 pm PST Jan 6, 2026
Forecast Valid:
11pm PST Jan 6, 2026-6pm PST Jan 13, 2026
 
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Additional Resources

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Chance of Precipitation