Woman dead, 3 adults missing in Larimer County flash flooding Flash flood warning in effect for same area until 4:30 p.m. Denver7 and last updated 2021-07-21 19:17:32-04 UPDATE (Wednesday, 5:02 p.m.): More flash flood warnings were in place Wednesday afternoon for possible mudslides. The Larimer County Sheriffâs Office said three people are still missing from Tuesdayâs flooding. Click here for the latest updates. --- LARIMER COUNTY, Colo. â The Larimer County Sheriff's Office has confirmed one woman has died and three more adults are missing after dangerous flooding in the Poudre Canyon area Tuesday. The sheriff's office said Wednesday morning that the person who died in the flooding was a woman and confirmed the two missing people were adults. Authorities were not able to recover the deceased woman's body Tuesday, and a Larimer County dive crew will be working to recover her body and a vehicle from the river on Wednesday.