It'll now be in place until 12pm tomorrow.
The status yellow low temperature/ice warning currently in place for the entire country has been extended.
It's set to remain in place until midday tomorrow.
There's also a warning for snow in the north-west until 6pm tomorrow evening.
Met Éireann is again warning motorists to slow down and be aware of icy roads.
Forecaster Matthew Martin says temperatures will stay below zero for the rest of the week:
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