Powerhouse Storm Set for West; Severe Weather Threat the Next Several Days

The most significant of the recent Pacific storms to reach the West Coast will arrive this weekend, mainly Sunday into Monday. A number of hazards are expected, especially the heavy rain threat on Sunday across northern and central California that may result in flooding and debris flows near burn scars. These Pacific storms will produce severe weather the next several days east of the Rockies. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.329269°NLon: 121.295381°WElev: 1861ft.

NA

17°C

62°F

Humidity 49%
Wind Speed E 8 MPH
Barometer NA
Dewpoint 6°C (42°F)
Visibility NA
Last update 23 Oct 02:00 PM PDT
Extended Forecast for

14 Miles SSW Tracy CA

Flood Watch October 23, 11:00pm until October 25, 05:00pm
Wind Advisory October 24, 05:00am until October 24, 11:00pm
Click here for hazard details and duration
Flood Watch
Wind Advisory
  • This
    Afternoon

    This Afternoon: A 20 percent chance of showers.  Mostly cloudy, with a high near 12. Southeast wind around 10 km/h.

    Slight Chance
    Showers

    High: 12 °C

  • Tonight

    Tonight: Showers, mainly after 11pm.  Low around 11. Breezy, with a south southwest wind 13 to 23 km/h increasing to 30 to 40 km/h. Winds could gust as high as 60 km/h.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2.5 mm possible.

    Showers and
    Breezy

    Low: 11 °C

  • Sunday

    Sunday: Rain.  High near 13. Windy, with a south wind 37 to 47 km/h increasing to 70 to 80 km/h. Winds could gust as high as 120 km/h.  Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible.

    Rain and
    Windy

    High: 13 °C

  • Sunday
    Night

    Sunday Night: Rain before 11pm, then showers after 11pm. The rain could be heavy at times.  Low around 8. Windy, with a southwest wind 70 to 80 km/h decreasing to 32 to 42 km/h. Winds could gust as high as 120 km/h.  Chance of precipitation is 100%. New precipitation amounts in excess of 4 cm possible.

    Heavy Rain
    and Windy

    Low: 8 °C

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am.  High near 9. Breezy, with a west wind 26 to 35 km/h, with gusts as high as 55 km/h.  Chance of precipitation is 90%.

    Showers and
    Breezy

    High: 9 °C

  • Monday
    Night

    Monday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 7.

    Slight Chance
    Showers then
    Partly Cloudy

    Low: 7 °C

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am.  Mostly sunny, with a high near 11.

    Slight Chance
    Showers

    High: 11 °C

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 10.

    Partly Cloudy

    Low: 10 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 13.

    Mostly Sunny

    High: 13 °C

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Mostly cloudy, with a high near 12. Southeast wind around 10 km/h.
Tonight
Showers, mainly after 11pm. Low around 11. Breezy, with a south southwest wind 13 to 23 km/h increasing to 30 to 40 km/h. Winds could gust as high as 60 km/h. Chance of precipitation is 90%. New precipitation amounts between 1 and 2.5 mm possible.
Sunday
Rain. High near 13. Windy, with a south wind 37 to 47 km/h increasing to 70 to 80 km/h. Winds could gust as high as 120 km/h. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 cm possible.
Sunday Night
Rain before 11pm, then showers after 11pm. The rain could be heavy at times. Low around 8. Windy, with a southwest wind 70 to 80 km/h decreasing to 32 to 42 km/h. Winds could gust as high as 120 km/h. Chance of precipitation is 100%. New precipitation amounts in excess of 4 cm possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 9. Breezy, with a west wind 26 to 35 km/h, with gusts as high as 55 km/h. Chance of precipitation is 90%.
Monday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 7.
Tuesday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 11.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Mostly sunny, with a high near 13.
Wednesday Night
Mostly clear, with a low around 11.
Thursday
Sunny, with a high near 16.
Thursday Night
Mostly clear, with a low around 12.
Friday
Sunny, with a high near 16.
Click Map For Forecast
Point Forecast:
14 Miles SSW Tracy CA
 37.56°N 121.49°W (Elev. 792 m)
2:41 pm PDT Oct 23, 2021
2pm PDT Oct 23, 2021-6pm PDT Oct 29, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database