At least 130 million people from Texas in Maine are on alert dangerous heat and humidity in the coming days.
Hot and sticky temperatures will make it feel as high as 115 degrees in certain parts of the Mississippi valley. Even the Niagara falls will obtain no relief of the stifling conditions; The tourist destination will feel like the 90s from the middle to superior.
The heat index in Chicago, which factors of humidity, will make him feel the triple figures and the night temperatures and early in the morning will offer little comfort. Thursday at 4 am, the actual temperature was 80 degrees, or 85 with the heat index.

Children play with water sprinklers in Williamsburg, Brooklyn, on July 20, 2025, in front of a dangerous heat invading the Northeast and the Midwest.
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Texas will be just as hot on Thursday because the heat index should make it feel 107. In the North in Detroit, it should feel 102.
The dangerous heat will propagate in the Middle Atlantic and to the northeast as temperatures in the corridor of the Washington, DC, DC, in Portland, in Maine, will give the impression that it is in the mid-90s on Thursday.
Maine is under thermal opinion mainly for Friday, because the heat index will make Portland, in Maine, has the impression of 100 degrees.

Temperatures resembling sensations for Thursday July 24, 2025.
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New York, Boston and Philadelphia are also preparing for extreme temperatures. Friday, the temperature resembling sensations should reach 104 in New York, 103 in Boston, 106 in Philadelphia and 109 in Washington, DC and Baltimore.

Temperatures resembling forecast sensations for Friday July 25, 2025.
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Meanwhile, the Midwest and the Southeast should see a warm and humid weather extending in the weekend and at the next start, because the heat indices should make it feel 110 degrees in certain parts.
Most of the Southeast, including Atlanta, should see a level four level “extreme heat risk” on Monday and Tuesday while a potentially fatal heat wave continues in the region.

The dangerous heat and humidity index during the weekend.
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In addition to the heat, the Midwest, in particular the Kansas and the Missouri, should see a sudden flood of summer continue. Strong thunderstorms on Thursday could cause floods in the region, which is still recovering sudden floods earlier this week.
Heavy thunderstorms should develop on the Midwest Thursday afternoon and throughout the night, the total forecasting precipitation reach 2 to 4 or more in certain areas along the corridor I-70. The Kansas City region can see the weight of storms with several highly rainy cycles.