Weather warning: Snow and ice expected in next 24 hours
Status orange and yellow snow-ice warnings have been issued by Met Eireann for overnight.
The status orange snow-ice warning will come into effect at midnight for Donegal, Leitrim, Mayo and Sligo
The highest amounts of snow will fall on high ground, Met Eireann says.
Tonight will be very cold with a widespread sharp frost and icy patches on roads, and lowest temperatures are expected to be between -2 and +2 degrees.
Meanwhile, a status yellow snow-ice warning has been issued for Longford, Cavan, Monaghan, Galway and Roscommon.
Snow accumulations of between two and four centimetres are expected to fall from midnight tonight over the following 24 hours.
A Met Eireann forecaster said: "There is likely to be accumulations of snow particularly over the hills and mountains in the regions that are mentioned."
"There are showers falling at the moment as winter precipitation over the hills and mountains, and again as it gets cold overnight, and later in the evening of tomorrow."
"Overnight temperatures have been just below freezing. Tomorrow night it will be colder and the next night after that," the forecaster said.
Tomorrow's wintry showers will be most frequent in the west and north, Met Eireann says. Snow will fall mainly tomorrow morning and evening Tomorrow night, showers will continue in the west and north, with sleet or snow on higher ground.