A wave of urgent health advisories has been released throughout the United Kingdom as residents prepare for a long weekend heatwave with scorching temperatures reaching 33C. The Met Office has cautioned that the mercury could soar to 30C on Saturday, 32C on Sunday, and a sweltering 33C on Monday, potentially breaking the all-time May temperature record.

The UK Health Security Agency (UKHSA) has activated yellow heat alerts from 9 am today onwards, highlighting the increased risk to vulnerable individuals in the affected regions. Temperatures are expected to reach up to 27C nationwide today, with further escalation anticipated over the bank holiday weekend.

Yellow heat warnings are currently in effect from 9 am on May 22 until 5 pm on May 27 in regions such as the East Midlands, West Midlands, East of England, London, and the South East. These alerts indicate potential impacts on health and social services, including higher healthcare utilization by vulnerable populations, elevated risk to vulnerable individuals, and increased likelihood of indoor spaces becoming very warm.

Meteorologist Tom Morgan from the Met Office has suggested a 40% chance of the southern regions hitting 33C on Sunday, surpassing the current May record of 32.8C set in 1922 in Camden Square, London. Weekend temperatures are forecasted to exceed heatwave thresholds, varying from 25C to 28C across different counties for three consecutive days.

Deputy chief forecaster Steve Kocher warned of dry and sunny conditions across the UK, with temperatures set to rise over the weekend, especially in the south. Monday could see temperatures peaking at 33C in southern England and the Midlands, potentially breaking existing May and Spring temperature records.

The forecast also includes dry and sunny weather for most of the UK, with some cloud cover and showers expected in Northern Ireland and western Scotland. Additionally, lower sea surface temperatures may lead to the formation of low cloud and sea fog along western coastlines.