00:00Tropical moisture could bring heavy rain to Southern California and Nevada.
00:03Los Angeles and Las Vegas may see intense downpours.
00:07Some areas could get one inch of rain in just two hours.
00:10That could trigger dangerous flash flooding.
00:12Mountains and canyons face the greatest risk.
00:15The moisture is linked to Tropical Storm Marie.
00:18But Marie's main core is expected to stay offshore.
00:21Moisture could still move inland in several rounds.
00:24Sudden downpours may disrupt holiday travel and outdoor plans.
00:28California's coast could also see large swells.
00:30Sneaker waves may remain a threat through mid-September.
00:33Most areas should turn drier on Labor Day.
00:36Some mountain showers could continue.
00:38Forecasters urge caution around flooded roads and canyons.
00:42Weather conditions can change quickly this holiday weekend.
00:45Disclosure.
00:45This video contains stock footage and content created or enhanced
00:48using AI-assisted tools, AI-generated.
