Further snow came on Tuesday night with police calling on people only to travel if it was "essential and necessary", while in Kent the Channel Tunnel was forced to close.
Temperatures were tipped to drop as low as -8 C, with up to six inches of snow predicted in parts of the country - with the entire Eastern coast affected.
Despite this, the Us website claimed on Tuesday that it was 'too early to predict' whether the game will go ahead.
If the game is played, Iron manager Brian Laws will welcome back Andy Butler and Matty Sparrow following injury.
Ian Baraclough will continue at left-back, with Lee Ridley ruled out for a while with a knee problem.
Colchester are looking to bounce back from their 1-0 loss at Swindon, which was their first deafeat in 12 games.
Fans planning on travelling down to Essex are advised to check weather conditions beforehand, and allow plenty of time to make the trip.
If going by car, keep food and drink as well as warm clothes, de-icer, a spade and an ice scraper with you if possible.