The Met Office has issued a yellow weather warning for the risk of torrential downpours and thunderstorms in the Anglia region overnight Sunday into Bank Holiday Monday.
Although many areas will miss the heaviest rain, the Met Office says where the downpours occur there could be some disruption, with sudden flooding of roads, transport routes, homes and businesses possible locally.
The forecaster is also warning that frequent lightning in association with the heaviest rain may also temporarily disrupt power supplies.
A mostly cloudy and breezy but rather warm day across the region with outbreaks of rain and drizzle during the morning.
Any rain soon clearing East Anglia during the first part of the night but more rain will spread into the south by Tuesday morning