BRITAIN'S stunning May heatwave will linger on with a 24C scorcher today – but forecasters have warned "intense" thunderstorms are on the way.
Yesterday was the warmest day of the year so far, with the mercury hitting a balmy 27.5C in Heathrow during the afternoon.
It meant the weather was better here than in holiday hotspot Santorini, where it reached only 26C.
But the heat was followed by grey skies and overnight downpours for many – and there's plenty more rain to come this week.
Nick Miller, a meteorologist with BBC Weather, said: “After overnight rain and thunderstorms, Wednesday morning has a lot of dry weather and showers clearing northern Scotland.
"Wednesday ends with more wet weather pushing eastwards and some intense thundery downpours in places that could be torrential thunderstorms for a time overnight.
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“We are in between weather systems again on Thursday."
He said that'll result in "a lot of fine weather", as well as showers in the far south-east.
The Met Office says "lively" storms could roll in after lightning lit up skies across the south on Sunday night.
This week's unstable weather is driven by a plume of humid air from Africa.
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The steamy blast could also bring Saharan dust with it – which may cause "blood rain" when less cheerful weather arrives later this week.
The mercury will drop and "intense" rain is predicted in the days to come.
Combined with the dust in the atmosphere, Brits around the country may see orange skies and even rust-coloured rain.
The phenomenon was last seen in the UK back in March, when cars and windows were covered in a fine layer of dust.
The Met's long-range forecast has predicted warm temperatures to last until May 23.
But the hot sun will also be accompanied by a "pollen bomb" which will cause misery for hayfever sufferers, experts predict.
Bookies are now offering odds of 11/10 that this May will be the hottest on record.
Alex Apati of Ladbrokes said: "With scorching temperatures still to come over the next couple of weeks, odds have once again been slashed on this going down as the hottest May ever."
In more good news, it could be stunning again by the long bank holiday weekend for the Queen's Jubilee.
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Sky News' weather producer Kirsty McCabe said: "At the moment it looks as though the weather will turn drier and increasingly settled as we head towards the end of May, with high pressure becoming the dominant feature into the first week of June.
"That means we can expect largely dry, settled and warm conditions with a royally good amount of sunshine for the Jubilee weekend."
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