A heatwave across the United States disrupts Fourth of July events and increases pressure on power grids, according to reports from multiple outlets. Extreme temperatures lead to shutdowns or interruptions of public activities planned for Independence Day, including events and fairs that were due to take place outdoors. Business Standard reports that sweltering conditions force disruptions at locations such as the Great American State Fair in Washington. Other coverage describes how the heatwave spreads from earlier in the week, moving from the Midwest toward the eastern United States, bringing record-breaking temperatures to a wider region. The same conditions also strain electrical infrastructure as demand for cooling rises. Across affected areas, organizers and utilities respond to the combination of health and operational risks posed by the extreme heat. While specific local details vary by report, the shared picture is that the heatwave impacts holiday plans and contributes to higher electricity load. The reports collectively point to the broader disruption caused by sustained high temperatures rather than isolated incidents.