NewsUK NewsWeatherMet Office weather forecasters say recording-breaking conditions are on the cards this weekend - but weather maps show temperatures will drop off after the Bank Holiday16:52, 22 May 2026Temperatures could drop as low as -1C in some parts of the country following a heatwave this weekend.‌The Met Office expects highs of 31C on Saturday and 32C on Sunday. Monday is expected to bring 33C - a temperature record for May - with 32C on the cards on Tuesday too.‌This will constitute an official heatwave in some parts of the country. The south-east is expected to be warmest, but the Midlands and parts of Wales could also see heatwave conditions over the Bank Holiday weekend, according to the Met Office.‌Brits will be wondering just how long the hot spell will last. The GFS weather model now shows temperatures dropping off significantly on Sunday next week.READ MORE: UK weather live: Met Office forecasts 33C heatwave as amber heat alerts issuedREAD MORE: Met Office urges UK households to keep curtains closed over Bank HolidayTemperature anomaly maps show areas of deep blue across the UK, particularly in Northern Ireland, Scotland, the Midlands and eastern England. This indicates where temperatures will likely drop well below the seasonal average.‌Minimum possible temperature maps reveal the mercury could drop as low as -1C in Scotland at around 6am. Lows of 1C are possible in Northern Ireland, with 3C in eastern England. Only five counties, all in the south-west of England, look set to climb into double figures.Counties set for 10C or above on morning of May 31HampshireDorsetDevonCornwallSomersetMet Office forecasts record-breaking heatwave“It is likely that the May and Spring UK temperature records will be broken over the Bank Holiday weekend,” Met Office Deputy Chief Forecaster Steve Kocher said. The current record is 32.8C.Article continues belowThe Met Office says heatwave conditions will likely be reached in parts of the south-east on this coming Sunday. They could then spread “across central and western England and into parts of Wales”.The British Red Cross has issued guidance to help people stay safe during the upcoming heatwave. Dafydd Beech, National Community Education Manager at the British Red Cross, said: “As we come into the summer months, warm weather gives us a chance to get out a bit more and enjoy ourselves. It’s important to take care while you have fun with friends and family to avoid becoming dehydrated, getting sun burn or even heat stroke.“Getting into the habit of taking steps whenever temperatures rise can really help. It can be simple things like wearing sunscreen, drinking plenty of fluids or ensuring you take breaks from the sun. Building these habits early means people are better prepared if hotter weather lasts longer.”Choose Daily Mirror as a 'Preferred Source' on Google News for quick access to the news you value.‌Met OfficeHeatwaveWeather