CNN’s Bill Weir reports from the ruins of Camp Mystic in Texas, where deadly floods have claimed at least 27 lives. Weir explains how climate change is making flooding more extreme and common.

Religion and the river are constant Kerr County touchstones. As residents lean on their faith, they grapple with their relationship to the water.

With more than 170 still missing, communities must reconcile how to pick up the pieces around a waterway that remains both a wellspring and a looming menace.

The organizations working together to help the flood victims said that 'no additional in-kind donations (clothing, food, supplies) are needed in Kerrville.' They said the best way to help is with monetary donations.

Walston drove from his home to the Center Point Bridge on FM 480 near Highway 27, where he shot video of the river below. He recorded nearly 38 minutes of surging water as it rose over 20 feet, carrying massive cypress trees, debris and even a house.

Plans to develop a flood monitoring system in the Texas county hit hardest by deadly floods were scheduled to begin only a few weeks later.

US President Donald Trump spoke Friday of seeing devastation like he'd never before experienced as he toured parts of Texas hit by devastating flash floods that have left at least

It’s hard to believe the devastation,' Trump said. 'Trees that are 100 years old just ripped out of the ground. I've never seen anything like this, and I've seen a lot of bad ones.'

In what experts call "Flash Flood Alley," the terrain reacts quickly to rainfall steep slopes, rocky ground, and narrow riverbeds leave little time for warning.

President Donald Trump and First Lady Melania will visit Kerrville on Friday, one week after Central Texas floods killed over 100 people.

Camille Santana tragically lost her life during the Fourth of July floods that swept through Central Texas. Three other members of her family remain missing.