Met Eireann has issued a Status Orange weather alert as temperatures are expected to plummet to as low as -6° later tonight.
The low temperature warning has been declared for Munster; inland areas of Leinster and Connacht; plus counties Donegal, Monaghan and Cavan.
The alert will remain in place from 9:00pm tonight, until 10:00am tomorrow morning.
A statement from Met Eireann said: “Tonight will be very cold with severe air and ground frost returning.
“Lowest temperatures will range from -1° near east and south coasts; to -5° or -6° well inland. Winds will be mostly light, east to south-east in direction.
Status orange warning for low temperature pic.twitter.com/xlAK6S3kxs
— Met Éireann (@MetEireann) January 7, 2018
Meanwhile, tomorrow is expected to be dry again in most places. Frost is expected to clear; with most places set to have a bright start with sunshine.
“However, cloud will increase from the south and west through the course of the day and a few spots of rain and drizzle will occur along southern coasts in the afternoon.
“Winds will be light to moderate south-east in direction; but will be fresh to strong and gusty along Atlantic coasts. Highest temperatures will be 3° to 8°,” Met Eireann said.