The 64-year-old man was found in his mobile home on July 7.
Three more heat deaths have been confirmed in St. Louis, bringing the total from the summer heat wave to 17 in the city.
The 72-year-old Northwoods woman was discovered inside her home Friday.
The coroner’s office says it was about 90 degrees inside the woman’s home.
Ambulance crews say they’re making 3-to-4 hundred calls a day on heat cases.
The heat deaths in the St. Louis area now total 14, with three in the county.
AC not running in woman’s apartment