Celebrations marking the 250th anniversary of American independence intensified across the United States on Friday despite widespread extreme heat affecting much of the country. Events ranged from military flyovers in Washington, D.C., to a novel midnight ball drop in New York’s Times Square—traditionally a New Year’s Eve event—introducing a fresh start to the July 4 holiday.

President Donald Trump traveled to South Dakota to deliver a speech and view fireworks at Mount Rushmore. He is scheduled to return to Washington on Saturday to speak at the National Mall before what has been described as a historically large fireworks show. Meanwhile, New York Mayor Zohran Mamdani delivered an address highlighting the nation’s contradictions as it strives toward its founding ideals, implicitly addressing the current political divisions without naming the president.

Despite the spirited events, safety concerns dominated as record-breaking heat engulfed the Midwest and East Coast. The National Weather Service issued extreme heat warnings from eastern Kansas to southern Maine, including cities such as St. Louis, Indianapolis, Baltimore, Philadelphia, New York, and Boston. Heat indexes, factoring in humidity and temperature, were expected to reach up to 46 degrees Celsius (115 degrees Fahrenheit). Officials advised the public to remain hydrated and use air-conditioning breaks to avoid heat-related illness. The heat forced the early closure of events such as Philadelphia’s Salute to Independence parade and a temporary closure of the Great American State Fair in Washington, D.C.

Amid the sweltering conditions, hundreds gathered on the National Mall for the Great American State Fair, where visitors sought respite in shaded tents and enjoyed traditional fare despite steep prices. Glenn Brooks, pardoned by Trump for his involvement in the January 6, 2021 Capitol attack, expressed gratitude for being able to participate.

Contrasting the intense heat on the East Coast, the Pacific Northwest experienced cooler temperatures in the 60s Fahrenheit with some light rain. In Seattle, World Cup soccer fans prepared for Monday’s U.S.-Belgium match, while residents like Megan Kurowski in nearby Issaquah took advantage of the mild weather for outdoor activities.

The 250th anniversary has prompted reflection on the country’s history alongside visible political polarization. Mayor Mamdani referenced longstanding rhetoric critiquing immigration, urging adherence to foundational American ideals to overcome authoritarian challenges. The anniversary celebrations are organized by two competing entities: Freedom 250, aligned with the White House and overseeing many Washington activities, and America250, a bipartisan group responsible for events such as the Times Square ball drop and a planned concert in Los Angeles.

Public sentiment, as measured in an April survey, showed moderate pride and excitement about the milestone, with about 40% of adults expressing pride and 30% excitement. Individuals interviewed across the country expressed a range of attitudes—from cautious optimism and calls for unity to skepticism about political prospects and concerns about social issues.

At the National Archives in Washington, visitors paced through climate-controlled galleries to view foundational documents such as the Declaration of Independence, the Constitution, and the Bill of Rights. Michael Dresdner of West Orange, New Jersey, traveled with a politically diverse group, emphasizing national unity. “We are all here, and we all love America,” he said, reflecting the complex and multifaceted nature of the anniversary amid both celebration and division.