A second winter storm in as many days will slam parts of the Midwest before rolling toward the East Coast. Major travel disruptions are likely.

A winter weather advisory goes into effect from 9 a.m. until 3 a.m. on Thursday. The heaviest of the snow is expected between 9 a.m. and 5 p.m.

The primary concerns from the next storm will be icy conditions, especially in northwestern New Jersey. Hundreds of school districts delayed openings or are closed on Wednesday. More school schedule changes could be announced for Thursday morning with the next shot of winter weather.

Around 2:30 p.m., some snow was showing up on weather radar in the Garden State, but a dry layer of air in the lower atmosphere was causing the snow to evaporate before reaching the ground. That’s a phenomenon known as virga. Shortly before 4 p.m., light snow was reported in parts of Cape May County, including Wildwood and Cape May.

Back-to-back winter storms are predicted to affect 29 million Americans across the country. Here’s the latest from the National Weather Service. The National Weather Service has issued a winter storm watch from Tuesday morning until Wednesday morning,

A procession of winter storms is forecast to bring snow, sleet, ice and potentially flood-inducing rain to sprawling bands of the U.S. this week.

Multiple winter weather-related alerts are in place across parts of New York, as well as further south in the Mid-Atlantic region.