Washington DC January 3, 2025 7:24 am The unexpected ingredient used to treat DC's roads for winter weather News4’s Joseph Olmo reports on how D.C. is preparing for two snow events in the first week of 2025. Local 1:36 Water main break leaves layer of ice on Arlington's Glebe Road amid frigid temps 3:38 What is the polar vortex? 3:04 DC emergency calls spike during frigid weather 2:25 ‘Very bad': More snow falls as Prince George's residents keep waiting for plows 1:36 Laurel woman says she's been trapped in her home all week due to snow and ice
