Heatwave conditions to peak today in parts of the UK as National Fire Chiefs issue public appealThe UK’s fourth heatwave is now under way for southern parts of the UK, with temperatures expected to climb into the mid-30s Celsius through the middle part of the week. This comes as these southern parts of the UK is seeing its fourth heatwave of the year with temperatures expected to climb into the mid-30°C today. It has issued amber heat health alerts for the East Midlands, East of England, London, and the South East, coming in force today until 09:00 Thursday. pic.twitter.com/NQQXEWHbRp — Met4Cast - UK Weather (@Met4CastUK) July 28, 2026This comes as an ongoing lack of rain has also meant hosepipe bans have had to be put in force for millions of households. Forecasts suggest that the intense heat across southern and central parts of the UK this week will be short-lived.