Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

52°F

11°C

Humidity 99%
Wind Speed S 9 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 15 Nov 09:00 PM PST
Extended Forecast for

15 Miles SSW Tracy CA

  • Tonight

    Tonight: Showers.  Patchy fog between 1am and 3am. Low around 42. South wind around 7 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 42 °F

    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, mainly between 10am and 3pm.  Patchy fog between 8am and 10am.  Otherwise, mostly cloudy, with a high near 52. South southwest wind around 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 10pm.  Low around 39. South southeast wind 10 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Showers

  • Monday

    Monday: Showers, mainly before 4pm.  High near 49. South southwest wind 11 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 10pm.  Mostly cloudy, with a low around 34. South southwest wind around 5 mph becoming light and variable  in the evening.

    Low: 34 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 10pm.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers. Patchy fog between 1am and 3am. Low around 42. South wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers likely, mainly between 10am and 3pm. Patchy fog between 8am and 10am. Otherwise, mostly cloudy, with a high near 52. South southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, with thunderstorms also possible after 10pm. Low around 39. South southeast wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers, mainly before 4pm. High near 49. South southwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A 30 percent chance of showers before 10pm. Mostly cloudy, with a low around 34. South southwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
Mostly sunny, with a high near 52.
Wednesday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 37.
Thursday
A chance of showers. Mostly cloudy, with a high near 50.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 36.
Friday
A slight chance of showers. Mostly sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSW Tracy CA
 37.55°N 121.52°W (Elev. 2635 ft)
1:21 pm PST Nov 15, 2025
9pm PST Nov 15, 2025-6pm PST Nov 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database