Temperatures could fall as low as minus five in places this week as the country faces being hit with winds from Siberia.
A significant snow event is expected later this week, with a weather advisory for cold weather currently in place by Met Eireann.
The National Directorate for Fire and Emergency Management says it has a crisis management plan in place.
Teacher Shortages Hit Wicklow Hard As Special Schools & DEIS Schools Disproportionately Affected
Dramatic Late Wonder Strike Sends Bray Wanderers Past Treaty United Into Play-Off Final
Wicklow's Fionnuala McCormack Makes History With 10th Place Finish In New York City Marathon
Government Officials Meet Wicklow County Council To Address Housing And Infrastructure Challenges
Stark New Report Reveals Deep Challenges For Wicklow Teens