The Met Office has issued a severe weather warning for rain in East Sussex which comes into force in the early hours of Friday morning (October 5).
It said there was the potential for periods of heavy rain across much of the southern half of the UK from the beginning of Friday until Saturday morning.
However there remains considerable uncertainty about the northward extent of this heavy rain and the area covered by the Met Office alert is likely to be adjusted further as the event approaches.
The public should be aware of the possibility of disruption to travel due to localised flooding.
The warning will be in place until 6am on Saturday October 6.