Dangerous US heatwave looms over 4 July holiday, World Cup and Swift wedding

Dangerous US heatwave looms over 4 July holiday, World Cup and Swift weddingTo 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 humidityByDarren Bett, Lead Weather Presenter and Ana FaguyPublished8 minutes agoMillions of people across the US East Coast are enduring dangerous heat and humidity, with temperatures expected to reach and stay at 38C (100F) for several days.The National Weather Service has warned that the heat index - a measure of how hot it feels based on temperature and humidity - could reach as high as 115F in cities such as Washington DC, Philadelphia and New York over the 4 July weekend.The soaring temperatures are raising concerns as President Donald Trump hosts a celebration marking America's 250th birthday and multiple World cup matches take place outdoors.The heatwave follows an unprecedented spell of early summer heat across Europe, with record highs across the continent.The stifling heat that has been blasting the Midwest will intensify into the Northeast and mid-Atlantic states on Thursday and Friday. Extreme heat warnings continued on Thursday from the Midwest to the Northeast."This level of rare and long-duration heat, with little or no overnight relief, affects anyone without effective cooling and/or adequate hydration," the National Weather Service said in a warning.By 9:00 EST (14:00 GMT) on Thursday, temperatures were already close to 90F in Washington and New York City.To play this video you need to enable JavaScript in your browser.This video can not be playedFigure caption, Could a heatwave hit Taylor Swift's wedding?Maximum temperatures could hit 100F in New York Central Park on Thursday and Friday. This would be the first time in 12 years that New York has been this hot."My recommendation to all New Yorkers is to stay inside and stay cool," New Yo...