State-by-state look at frigid blast hitting US - Article Photos 18/36

Icy conditions make for light traffic on the highways in Dallas, Friday, Dec. 6, 2013. As snow and freezing rain blanketed normally sun-swept North Texas, residents accustomed to warmer temperatures appeared to heed warnings on what one hardware store manager called "Ice Friday," staying off nearly impassable roadways and out of a skin-stinging cold. (AP Photo/LM Otero)