* WHAT…Very cold wind chills expected. The cold wind chills may cause frostbite in as little as 30 minutes to exposed skin. Expect wind chills to range from 15 below zero to 30 below zero.

* WHERE…All of Iowa.

* WHEN…Now to 10 AM this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Wind Chill Advisory means that cold air and the wind will combine to create low wind chills. Frost bite and hypothermia can occur if precautions are not taken. Make sure you wear a hat and gloves.