Cold Weather Advisory issued January 21 at 1:24AM CST until January 21 at 12:00PM CST by NWS St Louis MO

* WHAT...Very cold wind chills as low as 20 below.

* WHERE...Portions of south central and southwest Illinois and
central, east central, and northeast Missouri.

* WHEN...Until noon CST today.

* IMPACTS...The dangerously cold wind chills as low as 20 below zero
could cause frostbite on exposed skin in as little as 30 minutes.