From NWS Paducah:
...WIND CHILL WARNING IN EFFECT FROM 6 PM THURSDAY TO NOON CST FRIDAY... * WHAT...Dangerously cold wind chills of -16 to -26 are possible as a result of Thursday night low temperatures near 0 and sustained winds of 15-20 mph with gusts to 30-35 mph. * WHERE...Portions of southern Illinois, western Kentucky and southeast Missouri. * WHEN...From 6 PM Thursday to noon CST Friday. * IMPACTS...Dangerously cold wind chill values can quickly result in frostbite in as little as 30 minutes. Wear protective layers and limit time outdoors to as little as possible. Damage to vulnerable pipes is possible. Gusty winds may bring down tree branches. Follow proper directions if using space heaters or generators. PRECAUTIONARY/PREPAREDNESS ACTIONS... A wind chill warning means that a combination of very cold air and strong winds will create dangerously low wind chill values. Monitor the latest forecasts and warnings for updates on this situation.