From nearly invisible black ice to freezing rain and sleet, here's how common winter weather hazards form, why they're so dangerous.

Snow transitioned to sleet for most of the D.C. area by Sunday afternoon. Several more hours of mixed precipitation is expected throughout the evening – including freezing rain for areas to the south and east.

A glaze of ice is starting to coat areas in the Piedmont Triad. The impacts of the storm are expected to continue into next week as bitterly cold temperatures linger.

State emergency leaders are grappling with challenging conditions as a winter storm brings ice to Kentucky, creating hazardous travel conditions and power outages that could persist into next week.

CBS 6 Chief Meteorologist Zach Daniel is urging everyone in the Richmond area to stay off the roads Sunday evening as heavy sleet transitions to a dangerous wave of freezing rain.

Ice could accumulate on overpasses and bridges, making travel more dangerous. The ice could also stick to elevated surfaces like tree branches and power lines, according to the NWS.

Our major winter storm will continue through the day, with freezing rain and sleet passing through the Commonwealth.

As the winter storm leaves Georgia behind for the northeast, freezing rain totals are starting to come in for cities across the region.

The U.S. work week opened with yet more snow dumping on the Northeast under the tail end of a colossal winter storm that brought ice and power outages, impassable roads, canceled flights and frigid cold to much of the southern and eastern United States.