As of early Monday, 81 people died across six counties. Sixty-eight died in Kerr County alone, 40 were adults and 21 were children. Authorities said about 850 people had been rescued or evacuated. There are still 10 Mystic Camp campers and one camp counselor missing.

Search teams plodded through mud-laden riverbanks and flew aircraft over the flood-stricken landscape of central Texas for a fourth day on Monday, looking for dozens of people still missing from a disaster that has claimed at least 78 lives.