Deep Freeze Returns

Ice floats in the frozen Chicago River as seen from the Michigan Avenue Bridge in Chicago, Monday morning. Below-zero high temperatures expecting to last 2 1/2 days have returned to many parts of the Midwest, bringing with them wind chills ranging from the negative teens to temperatures colder than 40 below zero. (AP Photo/Sun-Times Media, Michael R. Schmidt)
Ice floats in the frozen Chicago River as seen from the Michigan Avenue Bridge in Chicago, Monday morning. Below-zero high temperatures expecting to last 2 1/2 days have returned to many parts of the Midwest, bringing with them wind chills ranging from the negative teens to temperatures colder than 40 below zero. (AP Photo/Sun-Times Media, Michael R. Schmidt)