A sweaty Fourth of July ahead for the US as extreme heat descends on 20 states

With the Fourth of July celebrations underway, a severe heat wave is affecting nearly 20 states, prompting warnings from local officials to exercise caution during outdoor festivities. The National Weather Service has issued extreme heat warnings, urging people to stay hydrated and avoid prolonged exposure to the sun. This heatwave is particularly concerning as it coincides with major events like the World Cup, raising health risks for participants and spectators alike. It's a stark reminder of the increasing frequency of extreme weather conditions linked to climate change.