Multiple outlets report that large July 4 crowds in Washington, D.C., are ordered to evacuate the National Mall due to stormy weather. The reports describe authorities implementing an evacuation to reduce public risk as weather conditions deteriorate. The evacuation order applies to people attending July 4 events and gatherings on or near the National Mall, with crowd control measures put in place as conditions worsen.
The coverage is consistent across sources: storm-related conditions prompt officials to require attendees to leave the National Mall area. While specific details on the exact timing, the forecast parameters, or the scale of the evacuation are not provided in the supplied text, all accounts frame the evacuation as a precaution in response to adverse weather.
Overall, the articles present the same core information: stormy weather leads to an official evacuation order for July 4 crowds at the National Mall in Washington, D.C.