More than 150 million under heat alerts as temperatures soar

Tonight, a day's long stretch of extreme weather leaving more than 153 million Americans on alert. Flooding emergencies in Missouri forcing water rescues. First responders searching neighborhoods by raft.Officials say approximately 40 people were rescued out of their homes and vehicles. Water was knee deep um inside some folks houses here. And scorching heat bearing down on areas not used to days of triple digits.People under heat alerts across 34 states. For the dangerous heat, the dangerous scorching heat ...