A low temperature of almost minus-6 degrees was recorded overnight as the cold snap continues.
Met Eireann is warning of extremely cold conditions and widespread severe frost with an orange weather warning remaining in place until later this morning.
Co Tipperary recorded the coldest temperature overnight- which was minus 5.7 degrees in Gurteen while Mullingar in WEsmteah dipped to minus 4.9.
Dangerous travelling conditions are being reported this morning with many roads and footpaths resembling ice rinks.
Some schools are shut while others are opening later than usual.
Transport services are also facing disruption while thousands in Kerry, Limerick and Tipperary are facing their fourth day with no power.
The current orange alert for low temperatures and ice remains in place for most of the country until 10 o�clock this morning when the less severe yellow one will kick back in.
Then another orange alert comes into effect at 6 o�clock this evening until 11 tomorrow.
Met Eireann has also extended the yellow alert until midday on Friday.
