A winter storm Sunday caused some flooding in Diamond Bar, prompting authorities to issue a flood advisory but the worst of the storm was moving out of the area by 6:30 p.m.
The flood advisory was issued at about 4 p.m. but expired about 6 p.m., according to National Weather Service Meteorologist David Sweet.
There were no reports of injuries from flooding, Sweet said.
Over the entire Los Angeles County region, rain totals ranged from 3/4 of an inch to 1.5 inches, Sweet said.
A hazardous weather outlook was forecast for Los Angeles County's San Gabriel Valley, the NWS said.