Vienna experienced its hottest day on record Sunday, with temperatures reaching a scorching 39.8 degrees Celsius. This peak marks the culmination of a significant heatwave affecting the city. Authorities warn that high temperatures will persist, with no substantial cooling expected before Thursday when highs are forecast to fall below 30 degrees Celsius. The prolonged heat is also contributing to an increased risk of severe thunderstorms and unsettled weather. Residents are advised to take precautions against the heat and be aware of potential storm risks. The record temperature underscores the intensifying effects of climate change in the region.