By Rachel RussellMany parts of the UK are officially experiencing a heatwave as temperatures continue to climb to 30C.
in northern Scotland and western parts of Northern Ireland until 21:00 BST on Tuesday evening, with more rain and thunder possible later in the week.Media caption,The Met Office defines a heatwave as three consecutive days with daily maximum temperatures meeting or exceeding the heatwave temperature threshold.from 25C in Northern Ireland, Scotland, Wales, the North and South West of England, to 28C in parts of South East England.
Met Office spokesman Stephen Dixon said the rest of the week will be hotter than average for the time of year, but that the extreme heat may come down slightly, meaning that heatwave criteria may not last much longer. But all regions of England have now been placed under a yellow alert until 09:00 on Monday by the UK Health Security Agency, which means the hot weather is likely to affect vulnerable groups.