Eight counties are under a status yellow snow and ice warning.
The alert for Cavan, Monaghan, Donegal, Longford, Louth, Leitrim, Roscommon and Sligo is in place until 7 o'clock tomorrow morning.
Met Eireann says wintry showers are expected, with some accumulations of snow possible.
Meanwhile, a wind warning for Donegal, Galway, Mayo, Sligo, Clare, Cork and Kerry comes into effect at 6 o'clock this evening.
While gusts of up to 110 kilometers per hour expected in some of those areas..