Met Eireann has issued a yellow weather warning for snow and ice for tomorrow.
It comes into force at 4pm on Thursday, until 11am on Friday.
Forecasters say it "will lead to hazardous travelling conditions in some parts."
"Showers will be most widespread in the west and north of the country where some accumulations are likely."
It's also forecast isolated thunderstorms.
The full details are available here.
Showers of sleet and snow tomorrow evening into Friday morning. Latest high resolution charts via @Netweather with blue showing rain, green sleet and pink showing snow. A snowy start for some on Friday morning! pic.twitter.com/bWwjGrMLAq
— Carlow Weather (@CarlowWeather) January 5, 2022
The UK Met Office has also issued yellow warnings for snow and ice in every county in Northern Ireland except Down.