Temperatures drop as low as -14C
A temperature of -14C was also forecast on the ground on snow fields in the Highlands at 6am, and some Highland Glens were only at -7C by midday.
Large swathes of Britain were today warned of icy conditions on the roads as the coldest night of the winter saw temperatures drop as low as -14C.
Motorists have been warned to take extra care on the roads as sleet and snow threatened to create slick conditions in the sub-zero weather.
Britain's cold snap is going to bring more freezing conditions and wintry showers tonight as temperatures continue to plummet.
Tonight will bring hard frost and freezing fog in some places with a chance of snow developing on higher ground further north.
Mild air from the Atlantic will push thermometers to around 12C in the south with even Scotland and the north enjoying spring-like weather .
The cheery forecast comes after Britain shivered in the coldest night of winter on Monday after the mercury plunged to -12.4C in Kinbrace, in the Scottish Highlands.
Much of the country shivered in lows of around -5C as experts say the weather is about to make a dramatic u-turn to milder conditions.
However it will be a slow transition as forecasters warn the bitter cold will hold out until the end of the week.
