A Status Yellow low temperatures and ice warning for Ireland is in place until midday tomorrow.
Met Éireann is warning of icy stretches leading to hazardous travelling conditions, especially on untreated roads and paths.
Temperatures are set to drop to as low as -5C in some areas overnight with a widespread severe frost, patches of mist and fog and icy stretches.
Showery outbreaks of sleet and snow will affect parts of the north, northwest and southwest with some snowfall accumulations possible, especially on high ground.
Meanwhile, the UK Met Office has issued a Yellow snow and ice warning for Northern Ireland until noon tomorrow.
It said snow showers and icy stretches may cause some disruption.
Snow on the Conor Pass
Kerry County Council is warning that there is currently snow on the Conor Pass and more is expected this evening and tomorrow.
While there have been intermittent wintery showers across the county this afternoon, gardaí say there are no reports of any problems so far, with the exception of the Conor Pass which crosses from the north to south coast of the Dingle Peninsula.
Earlier today Cork City Council gritted pathways in and around the city centre.
Meanwhile, Cork County Council say they will treat both Priority 1 and 2 routes tonight as part of their winter road treatment services plan.