A huge Arctic snow storm is expected to cause six days of havoc across the UK and bring a dramatic end to the warm weather, according to forecasts. Parts of England, Wales, Scotland and Northern Ireland are all expected to be hit with the snowy weather which could start on April 19.

Advanced weather modelling maps, using the ECMWF weather model, has shown spells of winter flurries start in Scotland before reaching other parts of the nation. The charts depict snow falling across the centre of Scotland at a rate of around 1 to 2cm per hour at 12pm.

The north of England, most of Wales and Northern Ireland could experience heavy rain at this time, with some areas set to face up to 5mm of rain per hour. The threat of snow will be replaced by intermittent waves of heavy showers that will fall on major cities like Inverness and Edinburgh on Sunday April 20.

People looking to head out on Easter Monday should take note as charts show snow will return in patches across Scotland from midnight on Monday 21 April. The weather front is tracked to move south into England on Tuesday.

Weather modelling maps show how snow could fall over some parts of Cumbria and close to Newcastle around 12pm on Tuesday. The South of England, including London and Brighton, will experience heavy rainfall, with some areas expected to get around 5mm of rain per hour between 6am and 12pm on Tuesday.