DONEGAL COUNTY COUNCIL GRITTERS OUT TONIGHT AS TEMPERATURES PLUNGE written by John2 December 4, 2014 DONEGAL County Council says its fleet of gritters will hit the roads of Donegal tonight as forecasters predict a bitterly cold night.The council staff will grit all the main routes from 4pm.Met Eireann is forecasting lows of -2C with frost and icy patches forming with some hail or sleet showers affecting Donegal towards dawn. Tags:donegal daily weatherdonegal weatherfrostgrittershailicesleet