Icy conditions, fog and low temperatures are expected to last until at least Sunday.
A cold snap has hit the country with Met Éireann issuing a second weather warning for tonight.
Temperatures will remain well below average, with icy conditions and fog expected to last until at least Sunday.
A status yellow low temperature and ice warning will come into effect from 10pm tonight.
Alan O'Reilly from Carlow Weather says some counties can expect snow this evening: