Wind Chill Advisory issued January 15 at 2:38PM CST until January 16 at 12:00PM CST by NWS

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TUESDAY... * WHAT...Very cold wind chills. Wind chills as low as 20 below zero. * WHERE...Portions of south central and southwest Illinois and east central and southeast Missouri. * WHEN...Until noon CST Tuesday. * IMPACTS...The dangerously cold wind chills could cause frostbite