The forecaster says temperatures will fall to as low as -3 degrees, with sharp frost and icy conditions, leading to potentially hazardous travelling conditions and disruption.

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

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.