NEW : It felt like 10 below in Minneapolis , Chicago , because of wind chill . NEW : It was 40 below in Minneapolis -- without the wind chill . It was 48 below in Fargo , North Dakota , where unprotected fingers could suffer frostbite in 60 seconds . Icy cold front is pushing into the Atlantic and could last through Saturday . iReport.com : Cold near you ? Share your photos , video , stories .
NEW : It felt like 10 below in Minneapolis , Chicago , because of wind chill . NEW : It was 40 below in Minneapolis -- without the wind chill . Icy cold front is pushing into the Atlantic and could last through Saturday . iReport.com : Cold near you ? Share your photos , video , stories .