Two Status Yellow warnings have been issued as temperatures will fall below zero again overnight.
A Yellow Low Temperature/Ice warning has been issued for the entire country, with temperatures of -4 or -3 degrees Celsius likely.
The warning comes into effect at 8pm and will last until 10am tomorrow.
A separate Yellow warning for snow and ice comes into effect from 11pm tonight until 11am tomorrow.
Met Éireann is warning of treacherous conditions in some areas.