Extreme Heat & Storm Impacts: A brutal heat wave and severe weather marred America’s 250th celebrations, with storms forcing a roughly two-hour evacuation of Washington’s National Mall and disrupting events across the East Coast, including cancellations in Hartford and Pennsylvania cities like Harrisburg and Wilkes-Barre, while Philadelphia also ordered an evacuation. Western PA Weather: Western Pennsylvania is moving from the worst of the heat wave into an “Impact Day” for more heavy rain and isolated thunderstorms, with gusty conditions and a risk of flash flooding. Public Safety & Health: Authorities reported suspected heat-related deaths nationwide as heat alerts covered huge portions of the country, and emergency workers treated people for heat illness during holiday events. Local Ecology: The Pennsylvania Fish and Boat Commission renewed warnings to Bucks County anglers about the invasive Northern Snakehead (“Frankenfish”), urging immediate action if caught. Community Climate Gardening: Pennsylvania residents are reviving a “square yard” flax-growing practice through the PA Flax Project, pitching flax as a low-input, “climate positive” fiber crop. Sports in the Heat: In Philadelphia, France beat Paraguay 1-0 in World Cup action under sweltering conditions.