Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

45°F

7°C

Humidity 81%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 08 Dec 02:28 AM PST
Extended Forecast for

3 Miles E Clayton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 41. Light east wind.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52. East southeast wind around 6 mph becoming north in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Light and variable wind.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. North northeast wind 3 to 6 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44. West wind around 5 mph becoming light and variable  in the evening.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 41. Light east wind.
Monday
Mostly sunny, with a high near 52. East southeast wind around 6 mph becoming north in the afternoon.
Monday Night
Partly cloudy, with a low around 42. Light and variable wind.
Tuesday
Mostly sunny, with a high near 53. North northeast wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 44. West wind around 5 mph becoming light and variable in the evening.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Clayton CA
 37.95°N 121.88°W (Elev. 1358 ft)
2:09 am PST Dec 8, 2025
3am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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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