Central Europe is facing one of the first major weather stress tests of the summer as a powerful heatwave spreads across the continent, bringing unusually high temperatures, health warnings and growing pressure on public services, transport and energy systems.

The extreme heat, already felt across western and southern Europe, is now increasingly affecting countries in the centre of the continent, including Poland, Czechia, Slovakia, Austria and Hungary. Meteorologists say the current episode is linked to a large mass of hot air moving northwards, strengthened by a persistent high-pressure system that traps heat close to the surface. As a result, temperatures have risen far above seasonal norms, in some areas by around 10°C.

Although the most dramatic records have so far been reported in western Europe, the implications for Central Europe are serious. Poland has already mobilised emergency preparations as high temperatures coincide with the risk of storms, heavy rainfall and strong winds. In Czechia, forecasts suggest that temperatures could exceed 35°C, with Prague potentially approaching 38°C or even higher in the coming days. Such conditions are particularly dangerous in cities, where concrete, asphalt and limited night-time cooling intensify the urban heat-island effect.

The heatwave comes unusually early in the summer season. This matters because people, infrastructure and ecosystems have had little time to adapt. Schools, hospitals, public transport operators and local authorities must respond before the hottest part of the summer has even begun. For elderly people, children, outdoor workers and those with chronic illnesses, prolonged exposure to heat can quickly become life-threatening.

Central Europe is especially vulnerable because many homes, schools and public buildings were not designed for repeated episodes of extreme heat. Air conditioning is still less common than in southern Europe, while many older apartment blocks retain heat during the day and release it slowly overnight. When night-time temperatures remain high, the human body has less opportunity to recover, increasing the risk of dehydration, exhaustion and cardiovascular strain.

The economic effects are also becoming more visible. Heat can reduce productivity, especially in construction, agriculture, logistics and public transport. Railway tracks may overheat, power demand rises as people use cooling devices, and agriculture faces additional stress from dry soil and rapid evaporation. Farmers in the region are already increasingly exposed to unstable weather patterns: heatwaves, droughts, sudden storms and heavy rainfall can occur within the same season, creating difficult conditions for crops and livestock.

Tourism is another sector likely to feel the effects. Central European cities such as Prague, Vienna, Kraków, Budapest and Bratislava are popular summer destinations, but extreme heat changes the way visitors use urban space. Sightseeing during midday becomes more difficult, demand for shaded areas and drinking water increases, and local authorities may need to adapt opening hours, public events and emergency services.

The current heatwave also fits a broader climate pattern. European climate data show that the continent is warming rapidly, with heatwaves becoming more frequent, more intense and more disruptive. Earlier this year, western Europe already experienced an unusually early and intense heat event in May. Now, the June episode suggests that extreme summer conditions are no longer limited to southern Europe or to the peak holiday season.

For Central Europe, the lesson is clear: heat must be treated as a public safety issue, not merely as uncomfortable weather. Cities need more shade, trees, drinking-water points and cooling centres. Employers need clearer procedures for outdoor work during extreme heat. Public communication should focus not only on maximum daytime temperatures but also on night-time heat, humidity and the risks faced by vulnerable groups.

The coming days will show how long the heat remains over the region and whether cooler air brings relief or triggers severe storms. But one conclusion is already difficult to avoid: Central Europe is entering a new climate reality in which heatwaves arrive earlier, last longer and test institutions that were built for a milder past.