London snow maps show exact time capital could be hit by freezing Arctic blast

Brits should be preparing for freezing temperatures from Tuesday, as weather maps show large swathes of blanketing the UK, including .

The capital should brace itself for major disruptions to roads and transport on November 21, as winds push the snowfall to the west and south of the UK.

Parts of the southwest , while is affected by an 80 percent chance.

On November 22, London can expect to wake up to some level of snow.

Weather maps produced by show areas of southern England and Wales covered by swathes of purple, with one to three centimetres of snow expected.

Frequent wintery showers are expected to be covering the country from November 18 to 27, according to the long range forecast. This will hit mainly in the north of the UK, as well as eastern and western coasts which are exposed to the northwesterly flow.

Earlier today, the Met Office issued a , warning of increased risks of slips, falls and travel disruptions overnight.

Residents have been urged to exercise caution, allow extra travel time and stick to main roads when walking or driving, as these are more likely to be gritted.

Snow has already arrived in large parts of the United Kingdom - with swathes of England and Scotland hit by flurries.

On Tuesday, commuters faced travel chaos and the coldest UK temperature this early in the season since 1998 was recorded as Braemar in Aberdeenshire fell to -11.2C.

The heaviest of the snow on November 23 will be seen in northern Scotland, maps suggest. The Scottish Highlands, home to Britain's tallest mountains, may see upwards of 10 inches of snow, according to WXCharts.

Temperatures are shown to plummet to freezing across the south of the country on Friday and as low as -2C in places including Norfolk.