Two separate weather warnings for snow and low temperatures have been issued for the entire country.
From 8 o'clock tonight, a low temperature and ice warning will come into effect for all 26 counties, with temperatures set to dip to lows of minus three in Cavan and Monaghan.
A status yellow snow and ice alert will also kick in at 11 pm and Met Eireann says this could lead to treacherous conditions.
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Met Eireann also cautions that freezing fog patches may occur overnight across the Northern Sound region.
Both of the warnings will remain in place until tomorrow morning.
