The warning comes into effect from 6pm until midday tomorrow.
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 the midlands.
Met Éireann says severe frost and ice is expected in affected counties, with patches of freezing fog in places.
Meanwhile, lows of -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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