Winter Storm Gerri brought snow, airport delays and dangerous travel across the Midwest Friday.

Winter Storm Gerri hammered Chicago with snow and wind, leading to accidents and cars sliding off roads.

Winter Storm Gerri is bringing snow and high winds to the Midwest and Great Lakes, including blizzard conditions for some areas.

The Weather Channel's Jim Cantore witnesses thundersnow in Chicago during Winter Storm Gerri.

Remember the warm December? The upcoming pattern will look nothing like that. Here's the latest on a dangerous cold outbreak.