The death toll in Kerr County crept up to 87 on Tuesday as search and rescue teams recovered three more bodies in the flood-ravaged hills of central Texas, according to officials in the county worst hit by the disaster.

At least 118 people are dead and dozens are still missing after devastating flash floods slammed Texas Hill Country, with water rescues taking place along the Guadalupe River, which rose rapidly early Friday morning to the height of a two-story building.

Here’s what to know about the deadly flooding, the colossal weather system that drove it in and around Kerr County, Texas, and ongoing efforts to identify victims.