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

Strong Storm for the West and Southwest; Heavy Snow for the Northern Plains and Upper Midwest

A strong storm will move ashore across California today accompanied by strong winds, heavy rain and heavy snow for the higher terrain. Flooding will be of great concern for Southern California into portions of Arizona through Wednesday. Several feet of snow is expected across central and southern California Mountains into the central Great Basin. Snow will impact the northern Plains into tonight. Read More >

Hazardous Weather Conditions

Current conditions at

BLACK DIAMOND (PIBC1)

Lat: 37.95°NLon: 121.884444°WElev: 1600ft.

NA

6°C

43°F

Humidity 83%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 3°C (38°F)
Visibility NA
Wind Chill4°C (40°F)
Last update 21 Mar 03:28 AM PDT
Extended Forecast for

4 Miles ENE Clayton CA

Wind Advisory March 21, 07:00am until March 21, 09:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: Rain likely. Cloudy, with a low around 4. East southeast wind around 11 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.

    Rain Likely

    Low: 4 °C

  • Tuesday

    Tuesday: Rain. High near 9. Windy, with an east wind 24 to 34 km/h increasing to 40 to 50 km/h in the afternoon. Winds could gust as high as 70 km/h. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 cm possible.

    Rain and
    Windy

    High: 9 °C

  • Tuesday
    Night

    Tuesday Night: Rain. Low around 6. Breezy, with a south wind 32 to 42 km/h decreasing to 18 to 28 km/h. Winds could gust as high as 65 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.

    Rain and
    Breezy

    Low: 6 °C

  • Wednesday

    Wednesday: Rain likely, mainly before 11am. Partly sunny, with a high near 11. East southeast wind 14 to 23 km/h becoming northwest in the afternoon. Winds could gust as high as 29 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible.

    Rain Likely

    High: 11 °C

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 6. West southwest wind 16 to 23 km/h, with gusts as high as 29 km/h.

    Mostly Cloudy

    Low: 6 °C

  • Thursday

    Thursday: Mostly sunny, with a high near 11.

    Mostly Sunny

    High: 11 °C

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 3. Breezy.

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

    Low: 3 °C

  • Friday

    Friday: Mostly sunny, with a high near 11.

    Mostly Sunny

    High: 11 °C

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 2.

    Mostly Clear

    Low: 2 °C

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 4. East southeast wind around 11 km/h. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.
Tuesday
Rain. High near 9. Windy, with an east wind 24 to 34 km/h increasing to 40 to 50 km/h in the afternoon. Winds could gust as high as 70 km/h. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 cm possible.
Tuesday Night
Rain. Low around 6. Breezy, with a south wind 32 to 42 km/h decreasing to 18 to 28 km/h. Winds could gust as high as 65 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.
Wednesday
Rain likely, mainly before 11am. Partly sunny, with a high near 11. East southeast wind 14 to 23 km/h becoming northwest in the afternoon. Winds could gust as high as 29 km/h. Chance of precipitation is 60%. New precipitation amounts between 1 and 2.5 mm possible.
Wednesday Night
Mostly cloudy, with a low around 6. West southwest wind 16 to 23 km/h, with gusts as high as 29 km/h.
Thursday
Mostly sunny, with a high near 11.
Thursday Night
Partly cloudy, with a low around 3. Breezy.
Friday
Mostly sunny, with a high near 11.
Friday Night
Mostly clear, with a low around 2.
Saturday
Sunny, with a high near 11.
Saturday Night
Clear, with a low around 2.
Sunday
Sunny, with a high near 11.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 3.
Monday
A chance of rain. Partly sunny, with a high near 10.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
4 Miles ENE Clayton CA
 37.95°N 121.88°W (Elev. 414 m)
Last Update:
4:01 am PDT Mar 21, 2023
Forecast Valid:
4am PDT Mar 21, 2023-6pm PDT Mar 27, 2023
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation