Heat wave brings dangerous temperatures to central and eastern U.S.

A prolonged and dangerous heatwave will intensify across a swathe of the US this week, ushering in scorching daytime heat, high humidity and stifling overnight temperatures, forecasters predict.Some 120 million people nationwide are under an extreme heat warning as of Tuesday, as Americans head into the Fourth of July holiday weekend, the National Weather Service (NWS) said.To the north, much of Canada began experiencing its own heatwave on Tuesday, with temperatures up to 37C (99F) expected in Ontario.Become a supporter of this podcast: https://www.spreaker.com/podcast/today-s-take--6662936/support.