Dyfed-Powys Police tweeted on Saturday morning to warn drivers that a trees had fallen down overnight, bringing down BT cables and completely blocking the B4355 between Beguildy and Knighton in Powys.
Further snow showers are expected to affect the north of England overnight.
This could lead to an increase in accidents as well as injuries from slips and falls.
"But there is chance of snow all through tomorrow and into Sunday as it comes in from the east".
The online snow tracker uses crowd-sourcing to create an up-to-the-minute map of exactly where it is snow in the United Kingdom at any given moment. Here are the latest snow scenes from around the UK.
Any heavier snow will become largely confined to southwest England through the day.
Sunshine and showers in the south and west. Rain in the north and east, falling as snow over the hills of Scotland but also northern England later.
Met Office meteorologist Alex Burkhill said "very strong winds" could cause temperatures to feel as low as -7C or -8C for some people over the weekend.
This will only get worse overnight as London plunges into sub-zero temperatures.
And the cold weather isn't quite over yet.
Snow blowing from east to west with blizzard like conditions giving poor visibility - the most notable snow for the Midlands into Hampshire, Oxfordshire across to the West Country and Wales.
"With light winds it's going feel nearly quite pleasant out there on Tuesday afternoon and that sunshine certainly helping to thaw virtually all the snow at lower levels across Britain through Tuesday".
After snow blanketed the capital on Saturday night, many Londoners, more wintry showers continued to fall on Sunday.
Central Tayside and Fife, Grampian, the Highlands and Strathclyde were all affected by the warnings.
"Even at lower levels we could see 5-10cm or even 10-15cm", said Meterologist Alex Burkhill.
The Met Office has issued a Yellow warning for ice across Shropshire as the cold weather continues.
While a live snow radar from Meteo Radar shows the snow is now coming in from the east, hitting parts of Scotland and the north east along with London and the South East.