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 >

Hazardous Weather Conditions

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Current conditions at

DIABLO GRANDE (DBLC1)

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

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

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

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

Slight Chance
Showers
High: 12 °C
Tonight

Showers and
Breezy
Low: 11 °C
Sunday

Rain and
Windy
High: 13 °C
Sunday
Night

Heavy Rain
and Windy
Low: 8 °C
Monday

Showers and
Breezy
High: 9 °C
Monday
Night

Slight Chance
Showers then
Partly Cloudy
Low: 7 °C
Tuesday

Slight Chance
Showers
High: 11 °C
Tuesday
Night

Partly Cloudy
Low: 10 °C
Wednesday

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.