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As Heat Wave Spreads Across the US, Data Centers Strain Electrical Grids

14 0
01.07.2026

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A heat wave is spreading across the U.S. this week that will affect over 250 million people from the Midwest to the East Coast.

Last week, a heat dome covered much of Europe, causing over 1,300 excess deaths. This week, a new heat dome is bringing record-shattering heat to two thirds of the U.S. population, affecting areas that normally do not see such high temperatures.

The heat wave is expected to worsen as the week continues. Heat indexes – or how hot the temperature feels to the body, worsened by high humidity – are expected to reach between 100 and 110 degrees over large parts of the country. On Tuesday, the highest heat index value was 113.6 degrees Fahrenheit in southern Illinois.

Temperatures are expected to peak on Thursday and Friday, with cities like Newark, New Jersey, and Philadelphia, Pennsylvania, expecting actual temperatures of 105 degrees Fahrenheit starting Thursday. Parts of Virginia and North Carolina are expecting four to five consecutive days of 100-degree heat, from Wednesday, July 1 through the July 4 weekend.

Last week, a study from World Weather Attribution found that Europe’s heat wave would have been “virtually impossible” without climate change. Similar findings are expected for this U.S. heat wave.

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