AA Roadwatch has this advice for motorists this morning.
A status yellow low temperature warning is in place for much of the county until later this morning.
Met Éireann is predicting temperatures to hit as low as minus four in places.
It's in effect across 22 counties - including Laois, Offaly and Westmeath - until 10am.
Anna Cullen from AA Roadwatch has this advice for motorists: