Britons are bracing themselves for a sub-zero weekend of the white stuff with temperatures plummeting to a risky -13C in what forecasters have dubbed the "mini Beast from the East".
A yellow warning is still in place from around midnight tonight through to tomorrow when the amber comes into effect at 4pm.
"Narrow bands of heavy snow likely to cause travel disruption, delays at airports and on the rail networks, potentially with 10 maybe 15cm over hills".
There is also a chance of some isolated snow showers on Saturday.
"Snowfall looks likely across high ground in the north-east Friday into Saturday, with snow showers following behind and affecting low-lying areas, especially in the south and east".
The Met Office has placed much of the east of the county on alert for a return to wintry conditions as temperatures drop from 6pm into Saturday morning.
Gusts of up to 50mph inland and 60mph by the coast will bring a bitter windchill and Adam Dury, of Norwich-based Weatherquest, said the entire weekend will be "pretty, pretty cold again".
After a cold St Patrick's Day, temperatures will fall to below zero on St Patrick's night with the possibility of snow in parts of Leinster and icy surfaces.
Drivers are being urged to be prepared before setting out on journeys after Highways England issued a severe weather alert for snow. Widespread frost, low daytime temperatures and a significant wind chill are likely to develop.
The Met Office has also issued warnings for snow and ice in the North, Midlands, East and South East on Saturday, and the whole of England on Sunday.
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"Tomorrow's temperatures in the afternoon will be just around 1C to 2C, so it will be quite cold".
By tomorrow most of England can expect ice and snow as the wintry conditions and chill continues for the rest of the weekend.
"It can be very busy and a stressful time as well, so it's just important to give yourself time to head out on the roads, drive slowly, and be mindful of the poor conditions that are expected by Met Éireann over the weekend".
He added: 'We don't expect anything like the same impact as a result of it, although there will be some snow about'.