Credit: MeteoLux
On Monday 13 July 2026, Luxembourg's national weather portal, MeteoLux, issued a yellow heat warning for the entire country.
MeteoLux is indicating "potential danger" from 07:00 on Monday 13 July until 00:00 on Wednesday 15 July 2026.
According to MeteoLux, moderate heat stress is expected, with fatigue and heat exhaustion possible during prolonged exposure or physical activity.
