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Royal Netherlands Meteorological Institute
Sunday, 29 June 2025 - 13:55

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Code yellow issued as temperatures soar up to 36°C in Limburg and Noord-Brabant

The Royal Netherlands Meteorological Institute (KNMI) has issued a Code Yellow warning beginning Sunday, as tropical temperatures arrive in the south and east of the country. The National Heat Plan, which coordinates public health measures to protect vulnerable groups, will formally be active starting Monday.

Officials warn that elderly residents and people with vulnerable health conditions may experience heat-related symptoms and advise avoiding strenuous physical activity during the peak heat.

Sunday will continue to be warm and sunny, with inland temperatures between 26 and 30 degrees and coastal areas around 22 to 24 degrees, according to weeronline. A moderate northwest wind is likely to prevail. The sun’s intensity is high, with a UV index of 7, meaning unprotected skin can burn within 10 to 20 minutes.

Monday and Tuesday will see temperatures rise further, with some regions reaching or exceeding 35 degrees, creating conditions for a heatwave in the southeast. Coastal areas will be somewhat cooler, with sea breezes providing relief at the beaches.

Tuesday will be the hottest day, with temperatures ranging from 30 to 36 degrees in the interior and 27 to 30 degrees along the coast. Humidity will intensify the heat, making it feel stifling. Winds will be light, mostly from the south.

On Wednesday, hot conditions will continue but with increasing cloud cover and a growing chance of showers and thunderstorms in the afternoon and evening. The exact timing of the cooling rain remains uncertain, but temperatures could still reach 30 to 35 degrees before the storms arrive. Whether the period will officially qualify as a heatwave is yet to be determined.

Following the heat, temperatures will drop to more typical summer levels between 20 and 25 degrees, accompanied by variable clouds, sunshine, and occasional showers. Nighttime lows will fall to between 10 and 13 degrees, offering much-needed relief.

Residents are urged to take precautions during this period of extreme heat, including staying hydrated, avoiding heavy physical exertion, and protecting themselves from the strong sun.

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