Unprecedented Heat Wave Triggers Red Alerts Across Italy as Austria Records All-Time Temperature High

Italy’s Health Ministry issued the highest-level heat warning for all 27 cities in its national surveillance system Thursday, marking the first time the entire network has simultaneously reached red alert status this year. The unprecedented alert applies to the entire population from Trieste in the northeast to Palermo in Sicily, signaling risks that extend beyond vulnerable populations including elderly residents and those with chronic conditions.

A severe heat wave engulfing Europe has pushed temperatures above 40 degrees Celsius in multiple countries, with Austria recording its highest temperature ever at 41.2 degrees Celsius on Wednesday in Bad Deutsch-Altenburg near the Slovak border, according to GeoSphere Austria. The extreme conditions are fueling wildfires across France and the Balkans while disrupting energy production and transportation networks throughout the continent.

Italian authorities instructed residents and visitors to limit outdoor exposure during peak heat hours, remain indoors when feasible and maintain adequate hydration as temperatures in some regions approached 40 degrees Celsius. Rome extended evening hours at major attractions including the Colosseum and Pantheon, installing cooling mist fans at entrances and stationing additional medical personnel to address heat-related emergencies.

Austria is confronting severe drought conditions, with rainfall from January through June falling 27 percent below historical averages nationwide and some eastern regions receiving only half their normal precipitation. Climatologist Alexander Orlik noted that certain areas have not experienced such arid conditions since 1885.

Hungary’s nuclear power plant has reduced output to approximately 10 percent of normal capacity due to record-low water levels on the Danube River, which supplies cooling water for the reactors. The government implemented emergency conservation measures, asking industrial users and households to reduce electricity consumption between 5 p.m. and 10 p.m., halting freight train operations during peak hours and eliminating decorative lighting in Budapest.

Major Hungarian corporations including energy giant Mol, pharmaceutical manufacturer Gedeon Richter and automakers Suzuki, Mercedes-Benz, Audi and BMW announced electricity reduction plans. Parliament canceled sessions this week as part of conservation efforts, while Budapest recorded its highest overnight temperature on record Wednesday at 28 degrees Celsius.

Germany expressed alarm over shrinking water levels on the Rhine and other major rivers, threatening inland shipping and industrial operations. Transport Minister Steffen Bilger convened affected organizations Thursday to address logistics challenges posed by drought conditions.

Southeastern France maintained heightened wildfire alert status as a major blaze that ignited July 20 burned more than 60 square kilometers, the largest recorded in the Var region in recent decades. Authorities warned that strong winds and extremely dry conditions create elevated risk for additional fires throughout the region.

The Balkans experienced peak heat Thursday as temperatures approached 40 degrees Celsius amid widespread drought and wildfires. Serbian firefighters combated multiple blazes, including one consuming pine forests west of Belgrade and another near Kraljevo, while Croatian coastal towns saw tourists sheltering indoors during peak afternoon hours.