Credit: MeteoLux
Luxembourg's national weather portal, MeteoLux, has issued a yellow weather warning (indicating "potential danger") for high temperatures in southern Luxembourg on Sunday 24 May 2026.
The heat warning will remain in place all day on Sunday (from 00:00-23:59) for the south of the country.
According to MeteoLux, moderate heat stress is expected. Fatigue and heat exhaustion are possible in cases of prolonged exposure or physical activity.
