London temperatures to hit as high as 33C on Monday as amber heat alert comes into force

London temperatures to hit as high as 33C on Monday as amber heat alert comes into forceAnother heatwave could be on its way as parts of London go 41 days without rain

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London is set to swelter in highs of up to 33C on Monday as an amber heat health alert comes into force.

BBC Weather is predicting that temperatures will steadily rise to 33C by around 4pm on Monday afternoon, with plenty of sunshine throughout the day.

Tuesday is expected to drop off to around 27C before Wednesday and Thursday which will see balmier temperatures of between 23C and 25C.

The Met Office is forecasting a marginally cooler Monday, with highs of 31C, though Tuesday could see the mercury hit 28C.

It comes as the UK Health Security Agency issues yet another amber heat-health alert for eight regions of the UK, including London, until 9am on Wednesday.

Parts of London have gone 41 days without rainAFP/Getty

The warning means there is an increased risk to health for vulnerable adults and children.

A possible fifth heatwave could also be on its way in London, should temperatures stay above 28C for three days - the current threshold for a heatwave to be declared in the capital.

London is currently experiencing its worst drought in decades, with experts warning that much-needed rainfall may not arrive in the UK until October.

Neither the BBC or Met Office have forecast rain over the next week. BBC’s 14-day forecast even suggests that next week will be warmer and drier than the week ahead.

Parts of the capital such as Heathrow have gone as long as 41 days without a downpour, tracking back to June 23.

Such conditions have heightened wildfire risk, led to water shortages and seen around 23 million people across the UK placed under a hosepipe ban.

The Met Office said on Friday that a record-breaking July characterised by an “exceptional combination of extreme heat, abundant sunshine and an almost complete absence of rainfall”.

Provisional statistics showed that only 5.6mm of rainfall had been recorded in England in July – less than half of the previous record of 13.4mm set in 1911.