The current cold spell is expected to last until Thursday.
The cold spell is taking hold with a yellow ice warning in place for the country this morning.
There'll be icy stretches until midday causing hazardous driving conditions.
While a winter weather advisory will continue for the coming days, bringing some hail, sleet, snow and freezing fog.
Offaly man Cathal Nolan of Ireland's Weather Channel says untreated roads will be very dangerous: