A snow and ice warning is in place for 18 counties in Ireland as temperatures dip below freezing.
Met Eireann is warning that we can expect "rain, sleet and snow" in parts.
The National forecaster issued a status yellow alert, warning of snowfalls for a large part of the country on a “very cold day.”
The alert, which is in place until 6pm, covers Connacht, Cavan, Monaghan, Donegal, Dublin, Carlow, Kildare, Laois, Longford, Louth, Wicklow, Offaly, Westmeath and Meath.
A broader weather advisory is in place for the whole of the Republic until midnight tonight, warning of very unsettled weather with wet and windy conditions bringing a risk of localised flooding.
Met Eireann said: “Wintry outbreaks of rain, sleet and snow will become widespread on Sunday morning.
“Some temporary accumulations are possible across the northern half of the country, before precipitation mainly reverts back to rainfall later in the day. “However, wintry falls will persist across the far northwest into the evening hours.”
Temperatures will range from one to five degrees celsius with fresh southeast winds.
It will continue to be unsettled with wet and breezy conditions, some wintry weather possible in northern areas early in the week.
On Monday, heavy rain will move northeastwards across the country as southerly winds freshen.
Rain will possibly turning wintry in the north, followed by frequent blustery showers.
It will be wet and breezy on Tuesday with frequent showers merging to longer spells of rain.
Some showers may have hail, with wintry falls possible in north Ulster.
Wednesday will continue to be wet and breezy with frequent showers or longer spells of rain.
Thursday will be wet with widespread showers, a risk of hail also.
Rain or showers persisting on Friday, but becoming drier and brighter on Saturday.
