Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. Some snow and a wintry mix is occurring today to the north. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

47°F

8°C

Humidity 54%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 05 Dec 08:00 AM PST
Extended Forecast for

16 Miles S Tracy CA

Dense Fog Advisory until December 5, 11:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 5, 11:00am

    NOW until 11:00am Fri

    Dense Fog Advisory

  • Today

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 48. Light west wind.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. West wind 5 to 7 mph becoming north in the morning.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. West northwest wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53. North wind around 7 mph.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 51. West northwest wind around 7 mph becoming north in the afternoon.
Tonight
Mostly clear, with a steady temperature around 48. Light west wind.
Saturday
Sunny, with a high near 53. West wind 5 to 7 mph becoming north in the morning.
Saturday Night
Mostly clear, with a low around 46. West northwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 53. North wind around 7 mph.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 49.
Thursday
Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles S Tracy CA
 37.51°N 121.37°W (Elev. 3127 ft)
1:20 am PST Dec 5, 2025
8am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database