The UK is set to enjoy its hottest temperatures of the year so far on Saturday as parts of the country record highs of 26°C (79°F) and the summery feel is set to continue on Sunday until the storms arrive.
The highest temperatures are expected in the Southeast on Saturday and there is even a possibility of 28C (82F) on Sunday.
If predictions for either day are met, then it will mark the highest temperature of the year so far. The 24.6ºC (77ºF) seen in London on Thursday (the hottest day of the year so far) was well above the Met Office monthly average of 15ºC (59ºF).
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But the picture is expected to change dramatically on Sunday afternoon, when yellow warnings for thunderstorms were issued across much of the UK, such as meteorologists warn of “stormy meltdowns” with potential for heavy rainfall.
O alert is in effect from noon to 10pm on Sunday and covers northwest England, most of Wales, much of central England and the Southwest.
Central London on Thursday. Photo: PA
Sky News weather presenter Kirsty McCabe said: “The weekend starts warm and sunny but is set to end with a bang as torrential rain arrives from the west.
“Friday night was very mild, with clear skies for many – great conditions for those observing the Northern Lights. And you may be lucky again tonight. [Saturday]!”
She said Saturday will be “another warm and sunny day with temperatures in the mid to upper 20s.”

A woman sunbathing in Hastings, East Sussex. Photo: PA
“We could reach highs of 26C, probably in parts of the Midlands and south-east England, but there is a chance of rain in some parts,” she said.
“Sunday will be hotter and more humid, up to 27°C or even 28°C (82°F) in the Southeast.
“However, the storms will come from the west and could bring 30 to 50 mm (1.2-2 inches) of rain in just a few hours, along with hail, lightning and gusty winds.
“This signals a shift to colder, more unsettled weather next week.”

Upper Wycombe
Parts of the country were treated with a Stunning Northern Lights Light Display on Friday night.
Northern Lights – see all the best photos at night here
A strong solar storm has caused the Aurora Borealis, normally visible only in the northern parts of the British Isles, to be enjoyed by people in large parts of the United Kingdom, including Scotland, Wales, Northern Ireland and, unusually, southern England.
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The huge solar storm was created by successive coronal mass ejections (CMEs) that left space a “mess”, a space physicist told Sky News.
CMEs occur when a large cloud of high-energy plasma erupts from the Sun into space, and there is currently a sunspot spitting out a number – aimed directly at Earth.
This story originally appeared on News.sky.com read the full story