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.

Rain is next on our weather radar for Indianapolis with possible thunderstorms and freezing rain tonight. Here's what you can expect in Indianapolis.