The Met Office has issued a yellow weather warning for Saturday and are urging people in the South West to be cautious of thunderstorms and the possibility of "significant flooding".
They say the warm weather could develop into heavy showers with lightning and hail. The warning covers East Devon, Somerset and Dorset.
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It's a chilly start to Wednesday with a mix of cloud and sunny spells throughout the day. Showers across Wiltshire but winds easing back.