Johnston

Cold Weather Advisory issued January 19 at 4:21AM CST until January 19 at 12:00PM CST by NWS Des Moines IA

* WHAT...Very cold wind chills as low as 20 to 25 below zero. * WHERE...Portions of central into southeastern Iowa. * WHEN...Until noon CST today. * IMPACTS...The dangerously cold wind chills as low as 20 to 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.