Record-Breaking Heat Hits US: Weather details inside

The National Weather Service warns of a severe heat wave affecting the Midwest and Northeast this week.

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The heat wave began Sunday in the Midwest and will spread to the Northeast, lasting until Saturday.

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Maximum daytime temperatures could reach 105°F, with nighttime temperatures in the mid-70s in major cities.

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The maximum heat index in cities like Chicago, New York, Washington D.C., and Philadelphia will be above 90°F.

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Detroit and Pittsburgh could face a maximum heat index of over 100°F for several days.

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Several cities in the region may face "Extreme HeatRisk" according to the National Weather Service's index.

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Accuweather forecasts suggest 110-135 million people could be affected by the heat wave.

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Temperatures in many areas could reach 100°F under a more extreme scenario.

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Summer 2024 is expected to be one of the hottest on record in the U.S.

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