Europe heat wave puts all 27 major Italian cities on red alert as Austria sets national heat record
Lorenzo GiovanniniAlexander OrlikGedeon RichterGeoSphere AustriaMolItaly's Health MinistryUniversity of TrentoSuzukiBUNDMercedes-BenzAudiBMW

Europe heat wave puts all 27 major Italian cities on red alert as Austria sets national heat record

Italy has placed all 27 major cities under a red alert due to a severe heat wave, coinciding with Austria's record temperature of 41.2°C (106.2°F). The extreme heat poses health risks and disrupts energy systems across Europe, prompting authorities to issue safety guidelines for residents and tourists.

ABC News - Breaking News, Latest News and Videos ABC News - Breaking News, Latest News and Videos+1 source6 August 2026 · 12:43 UTC
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Italy has placed all 27 major cities under a red alert due to a severe heat wave, marking the first time this year that the entire network has been under the highest warning level simultaneously.269

The alerts, which span from Trieste to Palermo, indicate a health risk for the entire population, not just vulnerable groups. Authorities have urged residents and tourists to avoid direct sunlight, stay indoors, and hydrate as temperatures approach 40°C (104°F).3

In Austria, the heat wave has set a national record with temperatures reaching 41.2°C (106.2°F) in Bad Deutsch-Altenburg, the highest ever recorded in the country. This extreme weather has also led to severe drought conditions, with rainfall 27% below average, affecting agriculture and energy production.1

The heat wave has been linked to four recent deaths in Italy, including a 19-year-old tomato-picker and a 40-year-old carpenter. The ongoing drought in the Po valley is straining water supplies, with over 100 towns facing difficulties.7

Lorenzo Giovannini, an atmospheric physicist, noted that this summer's heatwaves are already above average in intensity and duration, exacerbated by the climate crisis. Major tourist cities are implementing measures to mitigate the heat's impact, including extending opening hours for cultural sites and providing access to air-conditioned venues.

The extreme heat is not expected to relent for at least a week, prompting ongoing safety measures across the continent.

Key Insight
“Austria's record 41.2°C in Bad Deutsch-Altenburg on Wednesday came amid a drought with rainfall 27% below average from January to June. Hungary's nuclear plant cut output to 10% as Danube water levels hit record lows, prompting emergency conservation measures.”
Budapest goes dark amid a drought-driven power crunch
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Budapest goes dark amid a drought-driven power crunch
Satellite images show Danube River before and after drought
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The Danube River before and after drought
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CuriousCats studied:
1
ABC News - Breaking News, Latest News and VideosABC News - Breaking News, Latest News and Videos
“ROME -- Italy placed all of its major cities under the highest heat alert Thursday as a blistering gripped Europe, setting a national temperature record in Austria, fueling wildfires in France and disrupting energy and transport systems across the continent.”
ABC News - Breaking News, Latest News and Videos →
2
The GuardianThe Guardian
“Italy is to place all of its 27 major cities, from Trieste in the north to Palermo in the south, under the highest heat alert as the fourth heatwave to hit the country this summer intensifies.”
The Guardian →
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