Temperatures are expected to fall to minus 8 degrees in places again tonight, but Donegal will escape the worst of it.
Met Eireann says the lowest temperature so far recorded overnight was minus 8 degrees in counties Roscommon and Galway.
On the east coast, a low of minus 6.4 degrees was recorded in Dunsany in Co. Meath, while temperatures at Dublin Airport fell to minus 4.1 degrees.
A status orange warning is in place for 19 counties until midday today, with another orange alert coming into effect from 6pm for all counties bar Donegal.
Meteorologist with Met Eireann, Michelle Dillon, says the west and midlands were the coldest overnight, while the mildest temperatures being recorded at Malin Head………
Bryan Cannon is the Director of Roads Services with Donegal County Council. He says roads in Donegal remain in a treacherous condition, and winter maintenance has been the priority of his department for the past week.
Speaking on today’s Nine til Noon Show, he stressed there are no concerns about grit and salt supplies at present………..