A record-breaking heatwave is disrupting Independence Day celebrations across parts of the United States. Several cities have cancelled parades and shortened or postponed events due to the extreme temperatures. Hundreds of thousands of homes are expected to experience power outages as demand surges. The intense heat also raises concerns about the safety of traditional fireworks displays. Forecasts predict severe thunderstorms, potentially leading to further cancellations of outdoor festivities. This unprecedented heat is significantly impacting the nation’s 250th anniversary commemorations, forcing Americans to alter their holiday plans.