Wind Chill Advisory issued December 23 at 2:47PM CST until December 24 at 12:00PM CST by NWS

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