Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927° N Lon: 121.29538° W Elev: 1861.0 ft.

NA

55°F

13°C

Humidity 87%
Wind Speed S 18 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 19 Jun 01:00 AM PDT
Detailed forecast for

Eastern Diablo Range Above 1000 ft

Tonight
Clear. Lows 50 to 60. Southwest winds up to 10 mph with gusts to around 30 mph.
Juneteenth
Sunny. Highs 73 to 82. South winds up to 10 mph with gusts to around 20 mph.
Friday Night
Clear. Lows 48 to 58. Southwest winds up to 10 mph with gusts to around 25 mph.
Saturday
Sunny. Highs 74 to 84. Light winds becoming north around 10 mph with gusts to around 20 mph in the afternoon.
Saturday Night
Clear. Lows 49 to 59. West winds up to 10 mph with gusts to around 20 mph.
Sunday
Sunny. Highs 79 to 88.
Sunday Night
Clear. Lows 53 to 63.
Monday Through Thursday
Clear. Highs 84 to 94. Lows 56 to 66.



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1132 PM PDT Thu Jun 18 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database