The death toll from catastrophic flooding in Texas over the July Fourth weekend has surpassed 100 as the massive search continues for missing people.

Severe flash floods in Texas have resulted in over 100 fatalities and numerous individuals unaccounted for, particularly in Kerr County, where rescue efforts are hindered by adverse weather conditions.

Dozens of people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.