Sussex town Councillor Mark Wright tells CHSJ News Holman Avenue and Magnolia Avenue are the worst effected, and other streets which don't normally flood which are experiencing high water levels.
About 600 people are without power and a warming shelter has been set up at Kingswood University.
The area by the Tim Horton's on the main drag in Sussex is under a few feet of water. Schools in Sussex will be closing early today due to the weather conditions.