The Met Office has issued a severe weather warning for the area for tomorrow (Friday).
As the weather breaks down, an rea of snow looks increasingly likely to spread from the southwest.
Winds will strengthen and blizzard conditions are a possibility, especially over high ground.
Accumulations of more than 10 cms of snow are possible in many parts, with the potential for some severe disruption, though currently there is a good deal of uncertainty about intensity of snow .
The Met Office says the public should be aware of the risk of significant travel disruption affecting the west in the morning and the east in the afternoon.
Suffolk, Cambridgeshire and Essex fared much better in the cold snap earlier this week, than neighbouring Norfolk.
Despite lows of around -7C degrees on Tuesday and Wednesday nights, there was no major disruption.