The Environment Agency has issued a Flood Alert for rivers in and around Crawley, including Ifield Brook and the Upper River Mole.
A spokesman said:“Heavy rain is forecast for this afternoon and overnight into Friday. This could lead to flood conditions again from this evening.
“Flooding of low lying land and roads is expected after 7pm this evening, river levels will continue to rise into tomorrow morning.
“Further heavy rainfall is forecast for Friday and the rest of the week.
“We are closely monitoring the situation and will issue flood warnings if necessary.08:46 on 06 Feb 2014”.
For more on what to do in the event of flooding visit: http://www.crawley.gov.uk/flooding.