Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Southern Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

49°F

9°C

Humidity 73%
Wind Speed S 8 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 13 Apr 11:28 PM PDT
Extended Forecast for

5 Miles SW Brentwood CA

  • Overnight

    Overnight: Mostly clear, with a low around 50. Southwest wind around 8 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. West southwest wind 11 to 14 mph, with gusts as high as 28 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 50. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 65. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 49. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 66. West wind 8 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 50. West southwest wind 11 to 14 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
A slight chance of rain. Mostly sunny, with a high near 70.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 53.
Monday
A chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Brentwood CA
 37.87°N 121.77°W (Elev. 758 ft)
11:26 pm PDT Apr 13, 2026
12am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database