"Flood waters have receded. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures," according to the National Weather Service.

“If you’ve never seen water rise in front of you in minutes, it’s hard to conceive of how quickly that can happen—and how quickly your life and property can be at risk,” said Rachel Hogan Carr, executive director of the Nurture Nature Center, a nonprofit focused on flood-risk communication.

At 11:58 a.m. on Friday, the NWS San Diego CA released an updated flash flood warning in effect until 2 p.m. for San Bernardino County.

The warning was issued for Ashe County. "The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures," states the NWS Blacksburg VA. The warning is in effect until 9 p.m.

Significant rainfall from storms caused flash flooding in parts of Montgomery County, Maryland, located north of Washington, D.C., on Saturday, trapping many in buildings and cars.

The NWS Los Angeles/Oxnard CA released a flash flood warning at 2:47 p.m. on Friday in effect until 6 p.m. for Los Angeles.

At 5:31 p.m. on Saturday, the NWS Raleigh NC issued a flash flood warning in effect until 8:45 p.m. The warning is for Alamance, Guilford, Orange and Person counties.

An updated flash flood warning was released by the NWS Blacksburg VA on Saturday at 9:20 p.m. in effect until 11:45 p.m. for Caswell and Rockingham counties.

The National Weather Service released an updated flash flood warning at 6:15 a.m. on Thursday in effect until 9 a.m. The warning is for Clay, Jackson, Carroll, Lafayette and Ray counties.

At 8:03 a.m. Sunday, doppler radar and automated rain gauges indicated the heaviest rain had left the warned area but smaller streams are still rising, the statement said.