KERRVILLE, Texas — With more rain on the way, the risk of life-threatening flooding was still high in central Texas on Monday even as crews search urgently for the missing following a holiday weekend deluge that killed at least 82 people, including children at summer camps. Officials said the death toll was sure to rise.

Before heading to bed before the Fourth of July holiday, Christopher Flowers checked the weather while staying at a friend’s house along the Guadalupe River. Nothing in the forecast alarmed him. Hours later,