The forecaster said areas of dense fog and freezing fog could affect visibility and create hazardous travelling conditions.

Temperatures in the county dropped to minus 3. 3 yesterday. Met Éireann’s weather station at Mount Dillon recorded the temperature at 5. 00 am on Sunday morning.

Roads in many parts of the country are treacherous on Monday morning after temperatures dipped to as low as minus six degrees in some places.

A total of 174 people were killed in road collisions in 2024, including 15 persons in December.

Difficult driving conditions forecast