Some of the areas worst hit by the snow overnight included: Newry, A4 Ballygawley, A2 Coleraine Mountain Road, A36 Shanes Hill Road, A26 Coleraine to Ballymena, Moyle area including Ballycastle and the Glens, Keady, Moneyslane, Craigavon, A2 Bangor to Belfast Road, A24 Ballynahinch to Belfast Road, Glengormley, Newtownabbey and Carrickfergus areas and the Craigantlet Hills.

BBC: Northern Ireland roads warning after overnight snow