Fog is making driving conditions particularly hazardous this morning around Co Leitrim.
Met Éireann have issued a Status Orange weather warning with fog expected to linger in some places throughout the day.
Thursday will start dry and cold with frost clearing this morning but fog is causing very poor driving conditions.
Highest temperatures today of just of 2 to 7 degrees; weather will be coldest where fog persists.
Please everyone, remember to switch on your fog lights - be safe, be seen.