Dangerous heatwave to hit US ahead of holiday weekend

Dangerous heatwave to hit US ahead of holiday weekendTo play this video you need to enable JavaScript in your browser.This video can not be playedFigure caption, Ben Rich looks at the heatwave developing across the eastern United States bringing stifling heat and humidityBySareen HabeshianPublished28 minutes agoA prolonged and dangerous heatwave will intensify across a large swath of the US this week, bringing scorching daytime heat, high humidity and stifling overnight temperatures, forecasters predict.Some 120 million people, external 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 is experiencing its own heatwave starting on Tuesday, with temperatures up to 37C (99F) expected in Ontario.It comes after Europe's unprecedented early summer heatwave scorched several countries over recent days, with temperature records broken across the continent.Europe's heatwave linked to 1,300 deaths, WHO says, as Germany hits record 41.7CPublished2 days agoThe heatwave is forecast to hit a large area of the country, from the US east coast to central areas of the country. The extreme temperatures caused by a heat dome, will peak in the Midwest and Mississippi Valley through Thursday, the NWS predicted. It will shift east into the Ohio Valley and East Coast on Thursday and into the holiday weekend, according to the weather service.Temperatures ranging from 95F-105F (35C -40.6C) combined with high humidity will bring the heat index to 100F-115F (38C-46C). Daily temperature records are expected to be broken on Thursday and Friday, with some monthly and all-time records possible.Officials are warning people living in impacted areas to limit time outdoors, stay hydrated and ensure access to air conditioning or cooling centers.New York City Mayor Zohran Mamdani activated a heat emergency plan with hundreds of cooling centers set to open acr...