The cold-snap is continuing right across the country today.
There's a national low temperature alert in place until midday today, with a status yellow warning for snow for Donegal, Leitrim, Mayo and Sligo.
Northern Ireland also has a snow-and ice warning this morning, for Antrim, Armagh, Down, Fermanagh, Tyrone and Derry.
Motorists should be prepared for difficult travelling conditions.
There are also warnings that low-temperatures may cause issues for vulnerable people - and for animal welfare.