Record-breaking low temperatures from tonight to tomorrow night Details >
Mar 12, 2014; 5:00 AM ET Snowfall from this evening into tomorrow morning will total 2-4 inches
Airport and roadway delays are mounting as a snowstorm begins over the Midwest with its sights set on the Northeast later in the day.
Damaging thunderstorms will threaten North Carolina to the southeast Pennsylvania on Wednesday.
Temperatures will plummet by as much as 35 degrees Fahrenheit in less than 24 hours along the I-95 corridor from New York City and Philadelphia to Washington, D.C.
A spike in severe thunderstorms, capable of producing tornadoes, will follow a slow start to severe weather season in 2014.