Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

BLACK DIAMOND (PIBC1)

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

NA

53°F

12°C

Humidity 89%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 01 Apr 02:28 AM PDT
Extended Forecast for

5 Miles SSW Antioch CA

  • Overnight

    Overnight: A 20 percent chance of rain.  Mostly cloudy, with a low around 53. South southwest wind around 9 mph.

    Low: 53 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly between 10am and 1pm.  Partly sunny, with a high near 64. South southwest wind 10 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain, mainly before 3am.  Low around 48. West wind 13 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain

  • Thursday

    Thursday: Sunny, with a high near 63. West wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 53. South southwest wind around 9 mph.
Wednesday
Rain likely, mainly between 10am and 1pm. Partly sunny, with a high near 64. South southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain, mainly before 3am. Low around 48. West wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Sunny, with a high near 63. West wind 10 to 14 mph becoming north in the afternoon. Winds could gust as high as 24 mph.
Thursday Night
Clear, with a low around 50. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 81.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Antioch CA
 37.94°N 121.82°W (Elev. 600 ft)
2:36 am PDT Apr 1, 2026
3am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database