Freezing rain, sleet and icy conditions are expected to overspread across the Chicago area Wednesday as a winter weather system moves across parts of Midwest and the Northeast.

Millions of people from the Midwest to the Northeast are on alert as a developing winter storm is expected to bring a potentially crippling ice threat that could knock out power and lead to treacherous travel conditions across the region.

An icy storm will make for treacherous travel for the Midwest and Northeast from Wednesday to Thursday morning.

Freezing rain, sleet and icy conditions are expected to overspread across the Chicago area Wednesday as a winter weather system moves across parts of Midwest and the Northeast. The system, which NBC 5 Meteorologist Alicia Roman described as “significant,

A winter weather system arrives Wednesday, especially in the afternoon and evening, bringing the risk for a wintry mix of precipitation including ice accumulations.