The Met Office has issued a yellow thunderstorm warning for 42 areas across the UK, effective from 3 PM until late evening today, May 26. This warning covers regions including East Midlands, London, and South West England. Alongside the thunderstorms, the UK is experiencing record temperatures, with an anticipated peak of 35°C today, potentially rising to 36°C in some areas. The Met Office has indicated that while many regions may remain hot and sunny, isolated thunderstorms could bring frequent lightning, large hail, and gusty winds. The agency warns of possible disruptions, including power cuts and flooding, which could lead to delays in train and bus services. The warning highlights that homes and businesses could face flooding and damage from severe weather conditions. The recent heatwave has already seen record temperatures, with Kew Gardens recording 34.8°C, marking one of the hottest meteorological springs on record.