An emergency timetable has been put into place after major disruption on rail services from Hertfordshire, Cambridgeshire and Norfolk into London's King's Cross.
Urgent engineering work is taking place in the Alexandra Palace area of north London.
First Capital Connect is operating an amended timetable. It affects services to and from places like King's Lynn, Ely, Cambridge, Peterborough, Stevenage, Letchworth and Royston.
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The cloudy skies will remain tonight but at least temperatures will stay frost-free.
Norwich City manager Alex Neil admitted his team 'lacked a spark' as they suffered a surprise home defeat to struggling Wigan Athletic.
Cloud will thicken from the north and west this afternoon but it will stay dry.