Winter Weather Advisory in effect through noon. Wind Chill Advisory from 6pmMonday-6pm Tuesday. Wind Chill Warning from 6pm Tuesday-9am Thursday**Dangerous, life-threatening cold air will dominate Iowa, from late this evening throughThursday AM. Wind chill values on Wednesday morning will range around -50. Frostbite ispossible within 10 minutes. Hypothermia possible. Vehicles, including school buses, may notstart. Prolonged cold will stress heating systems.