Today is set to be the hottest day of the year but thunderstorms could come with it later this evening.

It will be very hot and humid with temperatures in Oxford rising to 33 degrees by 1pm.

The Met Office however has said there is a chance of thunderstorms in South East England.

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Its forecast today says 'after a largely sunny morning, cloud will arrive, bringing an increasing chance of thunderstorms, locally very heavy with possible hail and gusty winds'.

Tonight there could be scattered showers or some potentially very heavy downpours with hail and frequent lightning.