"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.

HONOLULU (HawaiiNewsNow) - A flash flood warning has been extended until 11 a.m. for north Kauai as heavy rain from earlier this morning is causing flooding. The National Weather Service in Honolulu said the warning is in effect for the area including Hanalei, Princeville, Kapaa, North Fork Wailua Trail, Wailua Homestead and Wainiha.

“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.

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.

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 warning was in place for San Bernardino County. "The heavy rain has ended in the Primm area. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. A Flood Watch remains in effect until 11 p.m. for portions of northwest Arizona and Nevada," says the NWS Las Vegas NV.

On Thursday at 3:06 a.m. the National Weather Service released a flood warning valid from 4 a.m. until Friday midnight for Johnson and Jackson counties.

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.

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.

A flash flood warning was in effect in New York City until 9:45 p.m., and New Jersey Gov. Phil Murphy declared a state of emergency. Middlesex, Morris and Somerset counties remained under a flood warning until 7:15 a.m. Tuesday.

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.