Exact date UK weather maps turn red as European heat blast sees temperatures jump 10C
![Exact date UK weather maps turn red as European heat blast sees temperatures jump 10C](https://i2-prod.mirror.co.uk/incoming/article33215450.ece/ALTERNATES/s615/1_5am-weather-Exact-date-UK-weather-maps-turn-red-with-fury-from-European-heat-blast.jpg)
Weather maps are turning red as a blast of 26C heat finally reaches the UK from mainland Europe, where multiple nations have been forced to issue heat health alerts