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

Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

45°F

7°C

Humidity 87%
Wind Speed S 14 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill39°F (4°C)
Last update 07 Jan 06:28 PM PST
Extended Forecast for

5 Miles SW Brentwood CA

Extreme Cold Watch January 9, 01:00am until January 9, 09:00am
Click here for hazard details and duration
Extreme Cold Watch

  • Tonight

    Tonight: Partly cloudy, with a low around 41. West wind 14 to 18 mph, with gusts as high as 31 mph.

    Low: 41 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 50. North northwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 48. Northeast wind around 6 mph.

    High: 48 °F

    Sunny

  • Friday Night

    Friday Night: Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. Light east northeast wind.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 50.

    High: 50 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

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

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. West wind 14 to 18 mph, with gusts as high as 31 mph.
Thursday
Sunny, with a high near 50. North northwest wind 11 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 36. North northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 48. Northeast wind around 6 mph.
Friday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 35. Light east northeast wind.
Saturday
Areas of frost before 8am. 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 38.
Monday
Sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 57.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.87°N 121.77°W (Elev. 758 ft)
Last Update:
12:26 pm PST Jan 7, 2026
Forecast Valid:
7pm PST Jan 7, 2026-6pm PST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation