A Status Yellow snow and ice warning is currently in effect across Galway, Mayo, Clare, Cork, Kerry and Limerick.
The warning remains in effect until 6pm this evening, before a new warning is expanded to the entire country until midday tomorrow.
Met Eireann says wintry showers will move in this afternoon and evening with some falls of hail, sleet and snow, as well as Icy and hazardous conditions.
The conditions are set to continue through the night and into tomorrow morning.