A yellow ice warning has been put in place for northern Wales near Bangor and St Asaph.
As for the weekend, she there would be bright and sunny spells and scattered showers some of which would be wintry.
Forecasters have said that the snow is expected to land on higher ground and could set in at around 9pm this evening, continuing until 11am Sunday morning. In Ulster, north Leinster and north Connacht, there'll be spells of rain, which will give way to showers in the afternoon.
The Met Office has forecast a cloudy start for Nottinghamshire for today, Saturday, December 14, with some sunnt spells and showers to follow.More news: Control's Free Expeditions Mode is "the most challenging content in the game"
Temperatures will be a chilly -3 to +1 degrees with frost and icy patches forming and some freezing fog.
Cold tonight with further wintry showers and some snow on higher ground. Temperatures will widely fall back to minus 3 degrees after-dark.
East Yorkshire has seen plummeting temperatures lead to pockets of ice and snow become hazardous for drivers on the road.
MONDAY: Frosty to begin again with some icy stretches.More news: This may have been Tesla CEO Elon Musk's first vehicle
Conditions will be cold and unsettled with showers during the morning, according to the Met Office, but the weather should improve with a drier and brighter day ahead with fresh south-westerly winds. Highs of only 4 to 6 degrees.
It will be cold with highs of just 4° to 7° in fresh to strong and gusty southwesterly winds, reaching gale force on north and west coasts.
A widespread frost is anticipated with minimum temperatures of 1° to -3°, coldest in the north.
Tuesday: Tuesday is shaping up to be another mainly dry and bright day with crisp winter sunshine, after a cold and frosty start with icy patches. Overnight lows of -2 to +2 degrees, with lighter winds, at least for a time.More news: CHEESY: Police engage in social media battle ahead of Packers-Bears game