Temperatures are set to be cold tonight with the lowest temperatures reaching -5C.
Luke Miall from the Met Office said: "More rural communities can be at greater risk because the roads don't get gritted as much, it can meant that some areas can get cut off".
A gritter on one of Northern Ireland's roads..
The Met Office said widespread "patchy accumulations" of between 1cm and 3cm of snow were likely, with 5cm in some places and up to 10cm over higher ground.
The weather warnings issued by the Met Office.
Heavy snow is forecast to hit the United Kingdom tonight as the Big Freeze launches another bone-chilling assault on the country.
It's issued a nationwide low-level Status Yellow alert for the week, due to come into effect from 6 o clock tomorrow morning and remain in place until Saturday evening.
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The spokesperson added: "Rain and snow is expected to move in from the southwest, moving across England and Wales through Thursday into Friday".
A yellow warning for snow and ice is also in...
Emergency services had to assist a number of drivers stuck in the snow in the north-east on Sunday night.
The warning from the Met Office says rain will turn to snow, especially on hills, then it will turn icy. "As this clears, ice is likely to form on some surfaces on Wednesday morning".
"It's a case of normal wintry hazards that we would expect - snow, ice, frost are going to be quite prevalent over the next few days".
Forecasters predict cloud, heavy and light rain, icy conditions and below freezing temperatures.
The rest of the United Kingdom is expected to see the impact from midday, with up to 10cm (4in) of snowfall on higher ground.