Avoid outside activities if possible. When outside, make sure you wear appropriate clothing, a hat, and gloves. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.

WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY... ...WIND CHILL ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 9 AM CST WEDNESDAY... * WHAT...For the Wind Chill Warning, dangerously cold wind chills. Wind chills between 30 to 40 below zero. For the Wind Chill Advisory, very cold wind chills expected. Wind chills between 20 to 30 below zero. * WHERE...Portions of north central, northwest and west central Illinois, east central, northeast and southeast Iowa and northeast Missouri. * WHEN...For the Wind Chill Warning, until noon CST Today. For the Wind Chill Advisory, from noon Today to 9 AM CST Wednesday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Gusty west to southwest winds to 30 mph, from mid morning through this afternoon, may cause patchy blowing and drifting snow especially in open and rural areas.