Wednesday will see even hotter temperatures than at the start of the week, which has led Meteolux to issue a red alert.
Meteolux's red alert for heat will cover the south of Luxembourg starting at midday on Wednesday, lasting until 8pm. The weather service has issued the alert for extreme heat, with temperatures reaching highs of 37°C.
The heatwave will be most intense in the centre of the country and along the Moselle. Meteolux has already published a list of recommendations to avoid heat stroke, as seen in the second photograph.
They broadly translate to: keep your shutters, blinds, and windows shut during the day and air your homes during the night, avoid being outside during the hottest hours of the day (11am to 9pm), cover your head when outside, wear light clothing, limit physical activity, use air conditioning and fans to make your homes and offices more acclimatised, and make sure you stay hydrated.
Other recommendations include: don't take your dogs for walks during the day (a quick pee in the garden/on the corner will do), and do NOT leave them in direct sunlight or vehicles!
The rest of the country will be covered by an orange alert, with highs ranging between 33 and 35°C. The orange alert is in effect from 10am until 10pm.
The high temperatures are likely to be accompanied by ozone pollution, which in turn will mean that speed limits on motorways will be cut down from 130km/h to 90km/h.
Check our list of Swimming Spots here.