AccuWeather Meteorologist La Troy Thornton

Washington, D.C., is under an extreme heat alert with temperatures feeling like 105 degrees or hotter, accompanied by severe storms expected Saturday afternoon and evening. The National Weather Service issued a heat advisory until 7 p.m., while poor air quality from lingering wildfire smoke prompted code red and orange alerts. Severe thunderstorms could bring downpours, damaging winds, and potential tornadoes.