Met Éireann have issued a national yellow status snow and ice weather warning The… Met Éireann have issued a national yellow status snow and ice weather warning. The forecast is for a cold night with some icy patches. Sleet and snow showers are expected especially on high ground. There is a risk however I'll between 1 & 3 cm of snow locally. The areas most at risk are Ulster and Leinster. Be particularly careful driving around Longford and elsewhere tonight.