In Florida, four people have died this year after they were exposed to Vibrio vulnificus, a rare but deadly bacteria found in warm coastal waters.

Search teams located the body of a 79-year-old Florida man who went missing from the top of New Hampshire's Mount Washington.

With "feels like" temperatures expected to be in the triple digits on Friday, the National Weather Service has issued a heat advisory for Miami-Dade, Broward and Monroe counties. It is the first one of the season.