People are being reminded of the possibility of difficult travelling conditions, and disruption and delays to public transport.
A cold snap lands in Ireland tonight.
Met Éireann has issued 4 weather alerts.
A Status Yellow low temperature warning for ice comes into effect for the entire country from 8pm.
Then all of Munster, Carlow, Kildare, Kilkenny, Laois, Offaly, Wexford, Wicklow and Galway, will come under a yellow warning for snow and ice from 9pm.
From Midnight, a 12 hour Status Orange warning for snow and rain will come into effect for Cork and Waterford.
While an orange alert for snow and ice has been issued at the same time for Clare, Limerick, and Tipperary, and will end at midday tomorrow.