On Friday, 17 million people are under flood alerts across the Gulf Coast and in the mid-Atlantic, and 19 million are under heat alerts across the mid-Atlantic, southern Florida and Mississippi Valley.

"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.

A flash flood warning was released by the NWS Blacksburg VA on Saturday at 5:41 p.m. in effect until 11:45 p.m. for Caswell and Rockingham counties.

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.

On Thursday at 11:02 p.m. the National Weather Service issued an updated flood warning in effect until Saturday at 2:42 p.m. The warning is for Jackson, Lafayette and Ray counties.

The NWS Wakefield VA released an updated flash flood warning at 10:09 p.m. on Friday in effect until Saturday at 12:15 a.m. for Gates and Hertford counties.

Get all the news you need in your inbox each morning. The National Weather Service says minor flooding in low-lying and poor drainage areas is to be expected. Between 1 and 1.5 inches of rain have fallen.

Many have decried Kerr County's lack of sirens on the Guadalupe River. Officials in counties that have the systems say they are well worth the money.