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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

50°F

10°C

Humidity 57%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 15 Apr 02:28 AM PDT
Extended Forecast for

4 Miles ENE Clayton CA

  • Overnight

    Overnight: Partly cloudy, with a low around 46. Southwest wind around 10 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 62. West southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. West southwest wind 13 to 17 mph, with gusts as high as 29 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 61. North wind 15 to 20 mph, with gusts as high as 36 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. North northwest wind 11 to 16 mph, with gusts as high as 28 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. Southwest wind around 10 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 62. West southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 43. West southwest wind 13 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 61. North wind 15 to 20 mph, with gusts as high as 36 mph.
Thursday Night
Clear, with a low around 47. North northwest wind 11 to 16 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
A chance of rain, mainly after 11am. Partly sunny, with a high near 66.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 50.
Monday
A chance of rain. Partly sunny, with a high near 62.
Monday Night
A chance of rain. Mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Clayton CA
 37.95°N 121.88°W (Elev. 1358 ft)
Last Update:
1:56 am PDT Apr 15, 2026
Forecast Valid:
3am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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