Tonight could be coldest night in 70 years as snow, sleet and freezing temperatures hit UK
Just as we thought we were getting some sun, it seems the cold is on its way. And in fact Londoners are set to face one of the coldest nights on record tonight, with temperatures falling to -3C (27F).The Arctic blast in Britain will come after a day of further snowfall in some parts of the country.The temperature for Heathrow Airport will be -3.1C (26.4F) and this is the lowest ever for the airport, which is one of the capital's main weather stations.