Temperatures could drop as low as minus 5 degrees tonight, with more weather alerts issued.
Kerry and the entire country will be affected by status yellow ice warnings between the hours of 6 o'clock this evening and 11 o'clock tomorrow morning.
Sleet and snow is expected in north-western areas in particular.
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Forecaster Andrew Doran-Sherlock says the cold spell is here to stay for the rest of the week:
