Forecasters issued the yellow alert for snow and ice across the region on Friday.
It comes as the country experienced the coldest night of winter so far, with a chilly -7 C recorded in Co Down’s Katesbridge overnight.
The Met Office said the yellow warning will come into force from midnight and last until 10am.
They said the cold conditions will likely lead to icy stretches across many parts, with the warning in place across all six counties.
There will also be some snowfall which could lead to travel disruption for those travelling during the morning.
The final sunrise of 2025 over the ‘Rise’ sculpture at Broadway, straddling south and west Belfast on December 31st 2025 (Photo by Kevin Scott)
News Catch Up – Tuesday 30 December
A Met Office spokesperson said: “Following a spell of rain, sleet and hill snow on Thursday evening, icy stretches are likely to develop on untreated surfaces during the early hours of Friday.
“There will also be some snow showers early on Friday, mainly in the north and this could lead to patchy accumulations of 1 or 2 cm snow.”
It comes as people waking up on New Year’s Eve experienced a chilly start to the morning with the final sunrise of 2025.
While the early part of the day is expected to be dry across the country, there is a chance of some rain for those enjoying the celebrations later, with rain heading in to the northern coasts later.
The final sunrise of 2025 over the ‘Rise’ sculpture at Broadway, straddling south and west Belfast on December 31st 2025 (Photo by Kevin Scott)
Meanwhile, the chances of seeing the final sunset of 2025 look remote, with cloud more widely expected to roll in across the day.
It is also expected to remain cold throughout the day, with a maximum temperature of just 5 C.
New Year’s Day will bring a cloudy day with the occasional bright spells interspersed with a few showers.
The Met Office said these will become wintry in the east towards the evening. It is also expected to be windy along the coasts with a maximum temperature of 5 C.
A yellow warning for snow and ice has also bee issued across large parts of England and Wales between midnight and noon on January 2.
It could see some areas blanketed in snow up to 5cm deep, especially on higher ground in parts of North Wales and north-west England.
Northern Scotland has a warning in place between 6am on New Year’s Day and the end of Friday.
The Met Office has also warned of injuries due to slips and falls on icy surfaces, which will develop quickly as sleet and snow clears.