Hope of finding survivors of the catastrophic flooding in Texas dimmed Tuesday, a day after the death toll surpassed 100, and crews kept up the search for people missing in the aftermath.

Flash flooding in Texas Hill Country has triggered one of the largest rescue operations in the state’s history

Kerr County, Texas and national search and rescue operations will continue Monday around the Guadalupe River, where families wait for news of their loved ones.

A July Fourth weekend deluge in Texas caused catastrophic flash flooding that has killed more than 80 people. Camp Mystic in Kerr County says Monday morning that it is “grieving the loss” of 27 campers and counselors as the search continues for victims of the disaster.