3 adults still missing, days after Poudre Canyon flooding The sheriff's office said the search will resume Sunday with a larger group of search and rescue team members. Author: Nate Lynn Updated: 11:56 PM MDT July 24, 2021 LARIMER COUNTY, Colo. — A search crew returned to the Poudre Canyon Saturday to look for three people who have been missing since Tuesday night's flooding. According to the Larimer County Sheriff's Office (LCSO), four Larimer County Search and Rescue team members accompanied by three dogs worked with heavy equipment operators to sift through large piles of debris for signs of the missing people, but did not find them.