
Luxembourg's weather portal, MeteoLux, has issued a nationwide yellow weather warning for thunderstorms on Thursday 21 September 2023.
A yellow warning ("potential danger") for stormy weather will remain in place across the Grand Duchy from 14:00 to 20:00.
MeteoLux warned of a risk of thunderstorms, with strong rain (10 to 20 l/m² in a short time) and gusts of wind (60 to 75 km/h), throughout the country during this period.