* WHAT…Dangerously cold wind chills as low as 45 below zero.
* WHERE…All areas north and east of the Missouri River.
* WHEN…Until noon CST today.
* IMPACTS…Dangerously cold wind chills as low as 45 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
* ADDITIONAL DETAILS…Conditions will gradually improve from west
to east tonight through Tuesday morning.