Kerr County, Texas and national search and rescue operations will continue Monday around the Guadalupe River, where families wait for news of their loved ones.

Devastating floods across central Texas have killed at least 80 people and left 41 unaccounted for after a storm pounded the region. Texas Gov. Greg Abbott issued a proclamation declaring Sunday as a day of prayer across the state in response to the flooding.

The death toll from Texas flooding over the weekend surpassed 100 on Monday evening as search and rescue teams continue the hunt for dozens of missing victims. At least 104 people are dead across six counties.

Camp Mystic says it’s grieving 27 campers and counselors. At least two dozen people were reported missing across the region Monday, though it is not clear how many people in total are still unaccounted for.