Credit: MeteoLux
Luxembourg's official weather portal, MeteoLux, has issued heat warnings for the Grand Duchy on Thursday 14 and Friday 15 August 2025.
A yellow heat warning (indicating "potential danger") is in effect nationwide on Thursday from 13:00 to 19:00 and on Friday from 13:00 to 19:00.
On both days, maximum temperatures are set to reach between 30°C and 33°C (up to 34°C possible in urban areas).
These alerts follow heat warnings issued earlier this week.
Updated to correct dates.
