Washington D.C. is currently experiencing a heat wave with high temperatures and humidity levels prompting multiple extreme heat warnings and advisories. As the region braces for scorching days ahead, thunderstorms are also expected to develop, creating concerns for flash flooding. The National Weather Service has issued flood watches for Arlington and the surrounding areas, advising residents of possible severe weather. In response to the rising temperatures, the city has activated cooling centers and is providing free transportation to these facilities. Various agencies are alerting the public about the risks of storms and flooding as the weather pattern remains unstable, with a mix of sunny days and potential rain on the horizon.