...DANGEROUSLY COLD WIND CHILLS TONIGHT ACROSS EASTERN OKLAHOMA AND NORTHWEST ARKANSAS... ...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TUESDAY... ...Very cold wind chills expected. The cold wind chills will cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills to range from 5 below zero to 15 below zero. ...Portions of northwest Arkansas, west central Arkansas, east central Oklahoma, northeast Oklahoma and southeast Oklahoma. ...9 PM this evening through noon Tuesday. The coldest wind chills will occur around 8 AM Tuesday.