The Economic Times

July 4 heatwave in US: Extreme heat threatens fireworks celebrations, travel plans and FIFA World Cup matches. Here's what you need to know

July 4 heatwave: A severe heatwave is gripping millions across the US, threatening July 4th celebrations with record-breaking temperatures and dangerous humidity. Outdoor events in cities like Boston and Philadelphia are being altered or canceled. Meteorologists warn of prolonged heat due to a persistent high-pressure system, urging residents to stay hydrated and avoid strenuous activity. Heat-related illnesses are a significant concern, especially for vulnerable populations.