A low temperature weather alert has ended but the cold snap is set to continue for a number of days.
Met Eireann says it could drop to minus 4 tonight, compounding the icy conditions already seen over the weekend.
The sub-zero conditions have already caused disruption on the roads, with a number of crashes reported in Ennis and West Clare this morning – one person was taken to hospital with minor injuries following a collision on the Shanaway road.
While rail and air passengers are being told to prepare for more delays.
Garda Niamh Browne of Ennis Garda Station is urging drivers to take extra care: