For most of England and Wales the third heatwave of the year ended last weekend when cooler air arrived, dropping maximum temperatures widely to 20-24C.

However, two locations - Usk and Exeter - have continued to just reach their heatwave criteria since then and have now reached 20 consecutive days - the longest run so far this year.

As temperatures drop further over the weekend, and parts of the UK see a little rain, even these local heatwaves are likely to come to an end.

However, it may only be a temporary break.

Next week, high pressure is set to build close to the south of the UK meaning rain-bearing weather fronts will stall.

Any wet weather will become confined to northern and western areas - especially north-west Scotland - and in southern parts of the UK temperatures look set to climb once again.

This could well mean a fourth heatwave is on the cards - although according to the Met Office isolated high temperatures might not be enough.

They say that: "If only one or two stations reach heatwave criteria, that would not be defined as a heatwave."