Taoiseach Simon Harris warned people to be aware of the “invisible hazards” as temperatures fall to as low as minus eight degrees overnight. Speaking in Naas, Co Kildare, at the opening of Craddockstown Special School, Mr Harris said Ireland was moving from snow to low temperatures and people would face “treacherous” conditions as a result.

Met Eireann has extended the weather warning for the entire country as the national forecaster warns of "very cold nights with widespread frost and ice" and "temperatures struggling to get above freezing during the day.

The Departments of Education and Transport and Bus Éireann also met this morning to discuss the potential impacts of the weather on schools, which are due to reopen tomorrow