The map suggests the snowfall has shifted after it initially hit the East Coast on Saturday.
An amber weather warning for snow and ice is in place across north-west England, Yorkshire and the Midlands, as well as in London, the South East, and east of England, from 4pm on Saturday until 9am on Sunday.
Met Office meteorologist Mark Wilson said: "It's going to be a very, very cold start, with a widespread frost and ice around as well".
Many of us have woken to a covering of snow this morning, and there's more to come during today - with both the east and southwest focal points for that.
Some bus services have been cancelled or delayed in Leeds, see the full list here.In Sheffield, drivers have been warned to only travel if strictly necessary.More snow could hit Yorkshire on Sunday, after heavy snow began on Saturday and continued overnight.
Tomorrow, Tuesday and Wednesday are expected to be dry days with only high cloud and slightly warmer with daytime temperatures of around 5 or 6 degrees, so the snow is likely to remain in many areas until rain sweeps in on Thursday.
Strong and bitterly cold winds, with sunny intervals and further snow showers.
This time the really heavy snow is only expected to hit certain parts of the United Kingdom, with south and mid Wales bearing the brunt of the conditions.
Snow showers in other parts of the country are expected to ease throughout the day, with some spells of sunshine possible.
Temperatures will feel as low as minus 8C or minus 10C in places, particularly across southern areas.
High pressure over Scandinavia is the reason for the return of the cold conditions, as temperatures dropped to around -3 °C overnight.
A threat of disruption from lying snow and ice will still affect Britain during Monday, which will be mostly cold and dry.
Forecasters said much of eastern England and Scotland had seen a smattering of the white stuff during the night, with the snowfall moving westwards towards the Midlands and Wales.
It may fall heavier this evening and overnight though, with temperatures down to around -4 °C.