The East Baton Rouge Sheriff's Office reported that 33-year-old Justin Blaine Thompson was found in a vehicle submerged in water under a Baton Rouge overpass. Across the Mississippi River, 40-year-old Alvarado Morentes Hermelindo died and another person was missing after their car crashed Monday evening, according to Louisiana State Police. Officials also reported two other deaths likely linked to power outages. Lake Charles, Louisiana, saw close to 18 inches of rain in 24 hours, according to the National Weather Service. The region is still recovering from last year's hurricane season and deadly freeze in February.