Extreme heat bears down as America 250 celebrations ramp up. Trump heads to Mount Rushmore AP NewsHeat news: Trump's Great American State Fair postponed amid deadly Northeast heat wave CNNRecord-breaking heat disrupts America's 250th birthday celebrations and travel NBC NewsJuly 4th events postponed and rescheduled across DMV due to extreme heat FOX 5 DC
Eastern US power grid operator orders emergency curbs as electricity use nears record ReutersExtreme heat wave threatens U.S. power grids and July 4 travel CNBCEnergy Dept. directs data centers to use backup generators during heat wave, freeing up power for AC CNN'We are screwed': People near data centers dread heat wave pollution Yahoo
Heat causes Great American State Fair to close temporarily and other disruptions The Washington PostDC breaks heat record, crowds let back in to Great American State Fair after heat postponement CNNHell Arrives in Washington The Atlantic'Great American State Fair' temporarily shut down for heat WUSA9As Heat Suffocates Wash
