Met Éireann has issued a status yellow snow and ice warning for parts of the country tonight.
The warning - which covers Connacht, Donegal, Clare, Cork, Kerry and Limerick - comes into effect from 8.00pm tonight, and is effective until 11.00am on Thursday morning.
Forecasters say scattered snow showers will mostly affect parts of west Munster, Connacht and west Ulster, leading to accumulations of 1 to 3 cm in some areas, with high ground particularly affected.
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There is also a forecast for widespread frost, with overnight low temperatures of 0 to -3 degrees Celsius.