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.

The alert says there is a high chance the Guadalupe River will flood on Sunday. They’re asking for all people, equipment and vehicles to move away from the river immediately. They also said all volunteer operations are suspended until further notice, stating “safety of lives is the highest priority.”

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.

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

At least 161 are still unaccounted for after the July Fourth floods that saw the waters of the Guadalupe rise to historic levels in Central Texas, officials with Kerr County said Friday. Authorities have confirmed 103 deaths, 36 of whom are children.

Officials say that at least 161 are still unaccounted for after the July Fourth floods when waters of the Guadalupe rose to historic levels in Central Texas.

New flash flooding hit parts of Kerr County, Texas on Sunday, just nine days after the same region saw devastating floods that left 129 dead. “Life-threatening flash flooding” struck