Parts of the UK will be blasted by a 30C heat surge in May as the latest BBC weather forecast map turns red. According to the latest weather maps, the sultry conditions will hit the country this weekend with nearly 20 areas experiencing the hot weather.

Yellow heathealth alerts have been issued for five regions of England - the East Midlands, East of England, London, West Midlands and the South East - taking effect from 9am on Friday 22 March and remaining in place until 5pm on Tuesday 27 May. These yellowlevel warnings are activated during spells of unusually hot or cold weather that are expected to impact people who are particularly vulnerable, such as older adults or those with existing medical conditions.

The BBC said in the latest forecast: "Temperatures are forecast to rise as high as 30C in parts of the UK as a potential heatwave develops across the long bank holiday weekend.

"Heat health alerts, external have been issued by the UK Health Security Agency (UKHSA) - in association with the Met Office - across much of the Midlands and south-east England valid from 09:00 Friday 22 May until 17:00 Wednesday 27 May.

"The mercury is set to creep up each day for the remainder of the week before the warmest weather of the year so far settles in.

"If readings reach 30C before Monday, it will be the earliest date this has happened in the UK for over 70 years."

Birmingham

Coventry

Nottingham

Derby

Leicester

Northampton

Kent

Surrey

Sussex

Hampshire

Berkshire

Oxfordshire

Buckinghamshire

Isle of Wight

Essex

Hertfordshire

Bedfordshire

Cambridgeshire

Norfolk

Suffolk