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Catalonia braces for extreme heat as temperatures soar to 40 ºC this weekend

Catalonia faces its first summer heatwave with temperatures reaching up to 40 ºC, raising health and fire risks.

1 Marta Sanz · June 22, 2026, 18:55 · 3 min de lectura

Catalonia is set to experience its first heatwave of the summer, with temperatures expected to reach up to 40 ºC. The warning from meteorological authorities highlights health risks and increased fire danger.

The summer season is kicking off with a bang in Catalonia, as the region prepares for its first significant heatwave starting this Sunday. The State Meteorological Agency (Aemet) has issued a special alert indicating that temperatures could soar to 40 ºC in various parts of the region, particularly in the interior areas known as Ponent. This extreme weather event coincides with the official start of summer and is expected to last until at least June 24.

Health risks escalate with rising temperatures

The Servei Meteorològic de Catalunya (Meteocat) has raised alarms about potential health hazards associated with the impending heatwave. Vulnerable populations, including the elderly and those with pre-existing cardiovascular conditions, are particularly at risk during this period. Rubén del Campo, spokesperson for Aemet, emphasized that “the high temperatures will significantly increase fire risks across much of northern and eastern Spain.”

As daytime highs approach 42 ºC in some valleys, nights will also remain uncomfortably warm, with minimum temperatures not dropping below 20 ºC. In coastal areas, nighttime lows could exceed 25 ºC, contributing to what experts describe as tropical nights.

A new approach to heat alerts

This year marks a shift in how Meteocat issues heat warnings. New criteria based on data from the past 15 years will now determine temperature thresholds for alerts rather than the previous decade’s data. This change aims to better reflect current climate trends and their impact on public health.

“The new climate scenario requires us to adapt our warnings; we need a uniform preventive response across all regions,” stated Sarai Sarroca, director of Meteocat.

Implications for outdoor activities and fire safety

The anticipated rise in temperatures poses significant challenges for outdoor activities over the coming days. Authorities are urging residents to exercise caution during peak hours when sun exposure can be most harmful. Additionally, dry thunderstorms may occur, further heightening the risk of wildfires.

In historical context, this heatwave is reminiscent of the summer of 2021 when similar conditions led to widespread health advisories and increased fire incidents across Spain. The current situation serves as a stark reminder of the ongoing climate crisis and its tangible effects on daily life.

Preparing for prolonged heat

As Catalonia braces for this heatwave, local governments are mobilizing resources to ensure public safety. Emergency services are on high alert, ready to respond to any incidents related to heat stress or fires. Residents are encouraged to stay hydrated and limit outdoor activities during the hottest parts of the day.

The upcoming days will test not only individual resilience but also community preparedness in facing extreme weather events. As temperatures rise, it’s crucial for everyone to remain vigilant and proactive in safeguarding their health and well-being.

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Marta Sanz

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