Met Éireann are warning Kerry motorists of treacherous conditions on the roads later.
A status yellow low temperature and ice warning will be in place for the entire country tonight.
It comes into effect from 8pm and expires at 10am tomorrow.
Meanwhile, a second low temperature and ice warning is in place in the county tomorrow evening.
Met Éireann says some sleet and snow has already fallen - particularly in north and northwestern counties.
Meteorologist with the forecaster Mark Bowe says rainfall elsewhere will turn to ice later:
Meanwhile, David Martin from the Road Safety Authority says its important motorists have their vehicles winter ready.