Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

54°F

12°C

Humidity 61%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 09 Dec 03:28 PM PST
Extended Forecast for

3 Miles E Clayton CA

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 46. Southeast wind around 5 mph becoming light and variable.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Northeast wind around 6 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. Light and variable wind.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 56. North northeast wind around 6 mph.

    High: 56 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43. Light and variable wind becoming east northeast around 5 mph after midnight.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 46. Southeast wind around 5 mph becoming light and variable.
Wednesday
Mostly sunny, with a high near 55. Northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 44. Light and variable wind.
Thursday
Mostly sunny, with a high near 56. North northeast wind around 6 mph.
Thursday Night
Mostly clear, with a low around 43. Light and variable wind becoming east northeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 53.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
A slight chance of rain. Partly sunny, with a high near 54.
Monday Night
A chance of rain. Mostly cloudy, with a low around 48.
Tuesday
A slight chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Clayton CA
 37.95°N 121.88°W (Elev. 1358 ft)
12:26 pm PST Dec 9, 2025
3pm PST Dec 9, 2025-6pm PST Dec 16, 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