A national yellow weather alert has been issued for wet and windy weather with a risk of downpours. The warning comes into effect this evening at 5pm until 6am tomorrow (Tuesday) morning.
Gusts of up to 110km/h are expected in coastal areas. Further build ups of snow are likely in north Connacht and west Ulster.
Met Éireann says many areas will be mostly dry this morning with some wintry showers and sunny spells.
Gardai are advising road users to take due caution this morning, as roads are described as hazardous across the region.
Outbreaks of rain will develop along the Atlantic coast by the evening as winds will strengthen. Temperatures will be between 4-7 degrees.
Snow and sleet are forecast for tonight before thundery downpours and heavy rain arrives.
The cold weather will remain through tomorrow as scattered wintry showers continue with some sunny spells.