Weather tracker: US and Europe swelter in June heatwaves

TruthLens AI Suggested Headline:

"Severe Heatwaves Impact the Eastern US and Western Europe in June"

Weather tracker: US and Europe swelter in June heatwaves analysis cover image The Guardian 8.7
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Original Article Source: https://www.theguardian.com/environment/2025/jun/23/weather-tracker-us-europe-june-heatwaves
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TruthLens AI Summary

This summer has witnessed the onset of its first significant heatwave, primarily affecting the eastern United States, where many regions recorded their highest temperatures of the year on Sunday. The phenomenon, driven by a high-pressure system, has created a heat dome that began in central parts of the country and gradually expanded eastward over the weekend. For instance, Huron Regional Airport in South Dakota reported a scorching high of 39.4°C (102.9°F) on Saturday, which was a staggering 13°C above the average for June in that area. St. Paul, Minnesota experienced a notably warm Saturday night, with a minimum temperature of 27.8°C, just shy of the city’s record for the highest nighttime minimum in June, established in 1999. As the heatwave progressed, temperatures surged across the plains, Midwest, mid-Atlantic, and northeast regions of the U.S., with forecasts indicating that New York City could hit 36°C on both Monday and Tuesday, while Washington D.C. could see temperatures climb to 38°C, potentially breaking historical records on these days.

In addition to the heatwave affecting the U.S., western Europe has also been grappling with exceptionally high temperatures, particularly in France and the UK, where readings soared well above average last week. France recorded nearly 40°C, with Tusson reaching 39°C, surpassing its previous June record by a narrow margin. Following this peak on Saturday, temperatures in France and the UK saw a slight decline on Sunday, but the heat is expected to return, particularly in central France, where temperatures may rise to 38°C by midweek. The persistent high-pressure system indicates that the oppressive heat is likely to linger, with potentially 250 daily temperature records at risk of being broken across the eastern U.S. and continued high temperatures in Europe, marking this heatwave as particularly severe and widespread.

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Source URL: https://www.theguardian.com/environment/2025/jun/23/weather-tracker-us-europe-june-heatwaves

This summer’s first heatwave has developed across the eastern half of the United States with most places having recorded their hottest temperature of the year so far on Sunday, which will then probably be beaten on Monday and Tuesday.

High pressure across the eastern US has funnelled up hot air from southern parts of the the country, resulting in what is known as a heat dome, initially across central regions on Friday, before spreading eastwards over the weekend. The temperatures rose significantly on Saturday, with Huron regional airport in South Dakota recording a high of 39.4C (102.9F), 13C above the average high in June for the region.

In St Paul, Minnesota, the minimum temperature on Saturday night was 27.8C. This was 1.1C below the city’s highest night-time minimum for June, which was recorded in 1999.

The heat then spread eastwards on Sunday with temperatures rising into the mid-30s widely across the plains, Midwest, mid-Atlantic and north-east. Temperatures in New York City are expected to reach 36C on Monday and Tuesday, which would set daily records, while in Washington DC, the temperature could reach 38C – matching or breaking records on both days.

Boston will also experience temperatures well into the 30s Celsius, probably peaking on Tuesday with a high of 34C, just shy of daily records. Accompanying this heat will also be high levels of humidity, making it feel even hotter, with temperatures potentially feeling as high as 43C.

Overall, 250 daily temperature records could be broken on Monday and Tuesday, including both record highs and record warm lows, making this heatwave particularly oppressive.

Hot weather also hit westernEuropelast week, affecting numerous countries including France and the UK. Temperatures were considerably above average across western Europe throughout the week before peaking on Saturday, with France recording close to 40C.

The 39C recorded in Tusson in south-westFrancebeat the highest June temperature at the location by 0.1C. Temperatures then fell across France and the UK on Sunday, with the heat moving further east across Europe into Germany.

Despite Sunday’s respite, further high temperatures are expected in France this week, with high pressure expected to remain over the country. Temperatures could be as a high as 38C across central France as early as Wednesday.

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Source: The Guardian