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Temperatures in the south east of the country could climb to the low 30s Celsius by Friday, while other parts of England and Wales are likely to see temperatures in the mid to high 20s.
That's according to the Met Office who have just announced that things are hotting up.
Over the next few days increasingly warm and humid air moving up from the continent will see UK temperatures on the rise, with the warmest days of the year so far expected.
While there is a good deal of dry and fine weather in the next few days, there is also the chance of seeing some heavy rain and thunderstorms as we go into the weekend.
Britain is set to swelter in temperatures of up to 30C (86F) later this week - but don't start dusting down the barbecue or planning a trip to the beach.
Although the mercury could reach its highest point so far yet this year, forecasters said the heat will be accompanied by high humidity and heavy, thundery showers.
Temperatures will start to rise from Thursday, peaking on Friday when the 30C barrier could be reached for the first time this year.
Forecasts suggest Britain will be slightly warmer than European holiday destinations such as Barcelona, Ibiza and Nice.
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