Washington, D.C. faces dangerous temperatures as a heat wave brings 100-degree-plus weather across the area, disrupting public plans tied to the city’s 250th celebrations. The Great American State Fair is shut down during the hottest period, with officials postponing operations until 5 p.m. on Friday, according to The New York Times. The coverage indicates that the heat directly affects schedules for outdoor activities and large gatherings connected to the anniversary events. The reporting emphasizes that the extreme temperatures are the reason for the temporary closure rather than other operational or weather-related factors. With conditions expected to remain hazardous, the timing change reflects an adjustment designed to reduce exposure during peak heat. The published information centers on the fair’s specific shutdown window and signals broader uncertainty for other outdoor programming associated with the anniversary until cooler conditions return later in the day.