Every severe weather report published for Diamond Bar, California, newest first.
The National Weather Service has issued a Heat Advisory covering California's coast and Central Valley, including the Bay Area and Los Angeles, with grid pressure expected through Thursday, September 11.
The National Weather Service has issued advisories for Los Angeles and Ventura counties and areas from Malibu to Orange County, with conflicting start and end times reported.
The National Weather Service has issued advisories for portions of the Los Angeles County coast, with dangerous surf and rip currents expected from Hurricane Marie's southerly swell.
The National Weather Service has extended its advisory for Southern California coastal areas, now lasting through Tuesday evening, September 8, 2026.
The National Weather Service says extreme heat warnings remain in effect across much of Los Angeles County, with temperatures potentially reaching 112 degrees in some areas.
Los Angeles County health officials urged beachgoers to avoid the water at eight locations after tests detected elevated bacteria levels.
The warning, from the National Weather Service's Los Angeles office, began on February 24, 2023, and ran through February 25, 2023.
Forecasters have moved the fire-weather alert to warning level for three areas, citing Santa Ana wind gusts over 60 mph and very dry vegetation.