Stormy sky over Preston

The heatwave gripping Preston is about to be rudely finished on Friday evening.

Weather forecasters are warning of heavy rain from Friday evening through until Saturday lunchtime.

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The Met Office has issued a yellow warning for rain in Preston and Lancashire from 7pm on Friday through to 12noon on Saturday.

The chief forecaster says: “On Friday evening another hot and increasingly humid airmass is expected to spread into the south from the Continent. This airmass looks conducive to the development of isolated thunderstorms during the evening across England and Wales which could become more frequent later in the night as they spread northwards towards Scotland. With large amounts of energy again available in this atmosphere storms could be severe, with torrential downpours and large hail. 30 mm of rain is possible in less than an hour, with as much as 50 mm possible in 3 hours very locally.

“Large uncertainty remains regarding areas most at risk from storms, and many areas will miss these altogether, staying largely dry. However, where they do develop, disruption is possible.”

It follows a lightning storm on Wednesday night which spectacularly lit up the sky above the city.