A large percentage of people still unaccounted for were probably visiting the area, Kerr County Judge Rob Kelly said.

For the third straight day, thunderstorms have posed what meteorologists call life-threatening conditions in the Hill Country, where flooding earlier this month killed at least 131 people.

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.

For a second straight day, rain forecasts hampered the search Monday for people still missing afterdeadly floods pummeled Texas, as officials made plans to drain reservoirs in the search for victims and lowered the number of people they said remain missing.

The conditions are life threatening and could flood creeks, streams, streets, highways, underpasses and "urban areas," according to the NWS.

As residents recover and rebuild, Grape Juice in downtown Kerrville is serving as a hub for people needing meals, supplies and other necessities.

More than two dozen Mexican rescue volunteers and firefighters have been looking for victims and clearing debris along the Guadalupe River. Others were left waiting for visas and humanitarian permits to cross the border.

Sunday morning recovering efforts were suspended in Kerr County due to heavy rainfall and a new flash flood warning issued for the Hill Country.