A storm will rapidly intensify off the Middle Atlantic seaboard on Wednesday, bringing blizzard conditions to the Middle Atlantic region and southern New England, including the major cities of Philadelphia and New York.

The combination of strong winds and heavy snowfall on Wednesday will cause some roads to become impassable as the snow quickly accumulates and drifts. The winds will howl past 40 mph at times.

Motorists who are able to travel will encounter whiteout conditions and very slick, snow-covered roads throughout the day and into the evening. In addition to blowing and drifting the snow, the winds could down trees and power lines.

Combined with bitterly cold air, the winds will send AccuWeather RealFeel temperatures plummeting into the lower teens Wednesday.

Story by AccuWeather.com Meteorologists Katie Storbeck and Brett Anderson.