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Extreme Heat Triggers Code Orange in Nine Dutch Provinces

The KNMI has issued a code orange warning for extreme heat across nine provinces, with temperatures reaching up to 36°C. Residents are advised to take precautions.

Published 24 June 2026 · 07:05 CET
2 min read
Extreme heat code orange in the Netherlands

Temperatures soar to 36°C as KNMI issues warnings for most of the Netherlands.

The KNMI, the Royal Netherlands Meteorological Institute, has issued a code orange warning due to extreme heat affecting nine Dutch provinces. This alert comes as temperatures are expected to soar between 30 and 36 degrees Celsius, posing significant health risks.

The warning applies to most of the country, excluding the northern provinces of Friesland, Groningen, Drenthe, and the Waddeneilanden. These areas are not currently experiencing the same level of heat as the rest of the country.

Provinces Under Alert

Residents in the affected provinces are being urged to take several precautions. The heat can be particularly dangerous for vulnerable groups such as the elderly, young children, and those with health conditions. The KNMI advises staying hydrated, avoiding strenuous activities, and seeking shade during peak sunlight hours.

According to the KNMI, the provinces under the code orange warning include North Holland, South Holland, Utrecht, Gelderland, Overijssel, Flevoland, North Brabant, Limburg, and Zeeland. These areas are experiencing a heatwave that is part of a broader pattern affecting much of Europe.

Impact and Safety Measures

Extreme heat can lead to serious health issues such as heatstroke and dehydration. Public health officials are emphasizing the importance of taking preventive measures. The Dutch government has also increased efforts to provide information and support to those in need.

The heatwave has prompted discussions about climate change and its effects on the Netherlands. Experts warn that such extreme weather events could become more frequent, urging the government to implement long-term strategies for climate resilience.

Learn more about climate change in the Netherlands.

Background on Code Orange Alerts

Code orange is issued by the KNMI when weather conditions pose a significant risk to public safety. It is one level below the most severe warning, code red. The aim is to alert the public to take necessary precautions to protect themselves and their property.

In previous years, the Netherlands has experienced similar heatwaves, leading to increased awareness and preparedness among the population. This year’s alert serves as a reminder of the ongoing challenges posed by extreme weather conditions.

Explore historical weather records in the Netherlands.

What Happens Next?

The KNMI will continue to monitor the weather conditions closely. Updates will be provided as necessary, and the public is encouraged to stay informed through official channels. It is crucial for residents to heed the advice of local authorities and remain vigilant during this period of extreme heat.

As temperatures are expected to remain high over the coming days, the focus will be on maintaining public safety and minimizing health risks. The government is likely to review current measures and consider additional actions if the situation escalates.

Overall, the extreme heat serves as a stark reminder of the challenges posed by climate change and the importance of preparedness and adaptation.

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