A Status Yellow Snow/Ice Warning is in place for the entire country until 12 noon today.
Gardaí are reporting icy conditions in many areas this morning, particularly in parts of the west and north of the country.
A yellow alert for snow and ice has been in place overnight, and is valid up until midday.
Met Eireann is warning of snow showers in the southwest, west and north, while icy conditions are expected in all areas.
Drivers are being warned it can take up to ten times longer to stop in snow or icy conditions.