Flash floods that swept through Texas over the Fourth of July weekend have left more than 100 people dead and more than a dozen others missing.

Over 100 people have died after heavy rain pounded Kerr County, Texas, early Friday, leading to "catastrophic" flooding, the sheriff said.

Six counties reported deaths from multiple severe flood events since Friday, July 4. Also, Kerrville officials reported that a privately owned drone collided with a helicopter conducting search and rescue operations.

The night that devastating flooding obliterated parts of Texas, Stuart Gross said he was awakened by nearby screams as raging waters swept up homes and citizens. The Ingram, Texas, resident told ABC News he has lived near the Guadalupe River for more than 45 years and has seen other floods,

Parts of the state devastated by flash floods that left at least 82 dead were braced for more heavy rains as forecasters extended flood warnings through Monday evening.