Heat Warnings Issued for Luxembourg on Monday & Tuesday

MeteoLux, Luxembourg's official weather portal, has issued heat warnings for the Grand Duchy on Monday 30 June and Tuesday 1 July 2025.

A yellow heat warning (indicating "potential danger") is in place across Luxembourg on Monday from 13:00 to 20:00. Maximum temperatures are expected to reach 31 °C to 33 °C in urban areas and along the Moselle, with possible temperatures of 34 °C in certain areas.

An orange heat warning (indicating "danger") will apply on Tuesday between 12:00 and 21:00. Maximum temperatures are set to reach between 32 °C and 35°C.