Temperatures to plunge as ‘Arctic air mass’ brings frost, ice and possibly snow showers The JournalTemperatures set to drop as arctic airmass arrives RTE.ie‘Arctic airmass’ to bring snow, frost and ice to Ireland over coming days The Irish TimesIreland faces -3°C arctic cold surge with three days of freezing conditions ahead LMFMTurning colder with a good deal of dry weather this week Agriland