A new an orange alert for extremely cold weather has been issued for this evening.
The warning comes into effect from 6pm and mainly affects midland area - including Cavan and Monaghan.
Met Éireann says severe frost and ice is expected in affected counties, with patches of freezing fog in places.
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Meanwhile, lows of minus 8 were recorded in parts of the west and midlands overnight.
Meteorologist with Met Eireann, Michelle Dillon, says milder conditions are on the way briefly for the weekend:
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