Washington’s National Independence Day Parade has been canceled, according to an announcement from organizers late Friday night.

The parade had been scheduled to mark the nation’s 250th birthday and begin at 10:30 a.m EST. Saturday.

Todd Marcocci, president of Under The Sun Productions, which was overseeing the parade, said the move followed consultation with the National Park Service, the D.C. city government and Freedom 250, the nonprofit overseeing the anniversary celebrations. “This decision was made after extensive and careful consideration of the safety of our participants, spectators, and staff as the top priority,” he said.

The National Weather Service (NWS) issued an extreme heat warning for the D.C. area, in effect from 10 a.m. to 9 p.m. ET Saturday. The agency said heat index values, which combine temperature and humidity, are expected to reach between 110°F and 115°F, and warned that “heat related illnesses increase significantly during extreme heat and high humidity events.”

The NWS said that alongside the high humidity, early morning low temperatures in the 70s and 80s would mean “little to no overnight relief.” The service also warned that “prolonged excessive heat may impact power, water, and transportation systems.” A separate Code Purple air quality alert — indicating “very unhealthy” — is also in effect for D.C. on Saturday.

The cancellation came hours after Washington recorded its hottest day in decades. Reagan National Airport hit 102°F on Friday afternoon, breaking a record of 101°F for that specific date, which had stood since 1966. Saturday’s temperatures are forecast to approach or match that figure, which would make it the hottest July Fourth on record for the city.

The parade cancellation affected participants who had traveled specifically for the event, including 80 students in the Grand Island Senior High marching band from Nebraska, who had been due to perform. Their school district confirmed to a local TV station Friday night the band would no longer participate.

The heat has already disrupted other celebratory events in the city. The Great American State Fair on the National Mall shut its doors for several hours Friday afternoon before reopening at 5 p.m. U.S. Capitol police also confirmed that entry to Friday night’s “A Capitol Fourth” concert was delayed.

Cancellations and disruptions extend nationwide

Multiple events in Philadelphia, where the Declaration of Independence was signed in 1776, were impacted by the extreme temperatures. A Friday Salute to Independence Semiquincentennial Parade was canceled, while a Saturday fireworks show was postponed until midnight.

People watch as the French Air Force acrobatic squad Patrouille de France perform a flyover during the International Aerial Review on Saturday in New York.

Sydney Schaefer/AP

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Sydney Schaefer/AP

Many communities in Colorado, including Durango and Vale, have canceled their fireworks displays due to the risk of wildfires.

A run of late-summer performances brings Lettuce to SFJAZZ, where the Boston-born sextet continues touring its latest album Cook inside Miner Auditorium. Known for expanding from Berklee students into a tightly synchronized funk collective, the band threads together psychedelic grooves, brass-led arrangements, and extended improvisational passages that often stretch their sets into long-form explorations rather than fixed song cycles. Each performance draws on decades of collaboration and individual side work across jazz, pop, and hip-hop, giving the music a layered, studio-to-stage fluidity that rarely settles into repetition. The SFJAZZ setting frames that approach with concert-hall clarity, allowing rhythm sections and horn interplay to unfold with precision even at peak intensity. Across the run, the focus stays on sustained groove and ensemble chemistry, where variation emerges gradually through solos and shifting textures rather than abrupt changes in direction.