MeteoLux Extends Yellow Heat Warning for Luxembourg Until Friday

On Wednesday 12 August 2026, Luxembourg's national weather portal, MeteoLux, extended its current yellow heat warning to cover the whole of the country until Friday 14 August.

MeteoLux is now indicating "potential danger" from 12:00 on Wednesday 12 until 06:59 on Friday 14 August 2026.

Temperatures are anticipated to reach a high of around 36°C on Thursday.

According to MeteoLux, moderate heat stress is expected, with fatigue and heat exhaustion possible during prolonged exposure or physical activity.