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 ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST WEDNESDAY... ...WIND CHILL WARNING WILL EXPIRE AT NOON CST TODAY... * WHAT...Very cold wind chills expected. Wind chills between 20 to 25 below zero. * WHERE...Portions of north central, northwest and west central Illinois, east central, northeast and southeast Iowa and northeast Missouri. * WHEN...Until 9 AM CST Wednesday. * IMPACTS...The cold wind chills could cause frostbite on exposed skin in as little as 30 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..