Met Eireann have forecast a baltic start to the week before the weather conditions become unsettled.
The mercury is set to plummet to minus four degrees on Tuesday night. There is also hail, thunder, snow and wintry showers forecast on Monday night.
The temperatures are expected to pick up for the rest of the week but showers of rain will persist. St Patrick's Day will be rainy but mild with temperatures to range from 12 to 15 degrees.
