Credit: MeteoLux
On Sunday 2 August 2026, Luxembourg's national weather portal, MeteoLux, issued a yellow weather warning (indicating "potential danger") for high temperatures across Luxembourg.
The nationwide warning is in place from 12:00 on Sunday 2 August to 06:59 on Tuesday 4 August.
According to MeteoLux, moderate heat stress is expected, with fatigue and heat exhaustion possible during prolonged exposure or physical activity.
