A major ice storm is headed north and is expected to significantly impact New York and other northeastern states Wednesday and Thursday.

On Tuesday at 2:22 p.m. the National Weather Service issued an ice storm warning valid from Wednesday 7 p.m. until Thursday noon for Clearfield, Cambria, Blair, Somerset, Bedford and Fulton counties.

Ice on the roads could lead to dangerous to "impossible" travel conditions at times, the Weather Service warned. Here's what to expect.

A winter storm could bring sleet and freezing rain to the Midwest and Northeast late this week, potentially causing treacherous travel conditions and power outages for millions of Americans from Minnesota to Maine,

A developing winter storm is expected to bring a mix of freezing rain, snow, sleet and ice to the NYC area later this week. Here's when, and how much, to expect.

Numerous storms are forecast to bring winter weather to New York City over the course of the next seven days or so.

The real focus is on Wednesday night and Thursday, as a storm barrels in from the Midwest. That storm will start off as snow as it reaches Upstate on Wednesday night, then turns into sleet and freezing rain as warmer air surges in from southeast into Thursday.