MeteoLux has issued an orange weather warning / heatwave for Luxembourg, to take effect from 13:00 on Wednesday to 20:00 on Thursday.
During this period, temperatures across the country are forecast to be between 33C - 35C, with ozone levels expected to exceed the European threshold of 180 μg / m³.
This follows on from a yellow warning issued on Thursday, lasting from 14:00 - 20:00, where temperatures were forecast to be between 30C - 33C, and possibly higher along the Moselle valley.