As more rain is predicted for tomorrow, there is concern that saturated ground and already full rivers such as the River Thames in Purley, a risk of further flooding is in place.
With the threat of high winds, more homes could be cut as homes in Haywards Heath found themselves without power due to a fallen tree this week.
Juliette Fletcher has been to visit those living near the areas at risk of flooding.
More top news
Tuesday night's weather for the west of the region
Tuesday night's weather for the east of the region
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