Credit: MeteoLux
On Thursday 9 July 2026, Luxembourg's national weather portal, MeteoLux, extended its yellow heat warning for the south of the country.
MeteoLux is indicating "potential danger" from 12:00 on Thursday 9 July until 00:00 on Saturday 11 July 2026.
According to MeteoLux, moderate heat stress is expected, with fatigue and heat exhaustion possible during prolonged exposure or physical activity.
