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Northeastern US: No prolonged heat relief to come the rest of July

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While the northeastern United States will catch a break from heat and humidity to start the new week, that will not be the theme for the rest of July. Another heat wave looms for next week.

As an area of high pressure swings offshore, the door will open for temperatures and humidity levels to once again soar Tuesday into Wednesday across the Northeast.

At midweek, widespread highs in the upper 80s and lower 90s F are expected. The heat will persist last into the week, even intensifying along the I-95 corridor.

Another heat wave (three days with highs of at least 90) is shaping up for Washington, D.C.; Baltimore; Philadelphia and Harrisburg, Pennsylvania; Trenton, New Jersey; and Hartford, Connecticut.

New York City may also endure its first heat wave of the summer, while Boston will come close to experiencing the same.

Humidity will cause AccuWeather RealFeel® Temperatures to be even higher. RealFeels will dangerously climb past the century mark across the mid-Atlantic (east of the Appalachians) and potentially into a part of southern New England.

Residents will once again have to take the necessary precautions to avoid sustaining a heat-related illness. Be sure to drink plenty of water, take frequent breaks (preferably in air conditioned buildings) and avoid strenuous activities during the midday and afternoon hours (the hottest times of the day).

Never leave a child or pet in the care, even if it is for a short time.

The majority of daily cooling thunderstorms, along with needed rainfall, will be confined to the interior of the Northeast later in the week.

The greater potential for a thunderstorm along the I-95 corridor will likely be on Friday as a cold front arrives. That front may trim humidity for next weekend, but may struggle to bring a noticeable drop in temperatures and the return of less humid air will not last long.

Prolonged heat relief will not be the theme for the remainder of July and even into August, according to AccuWeather Meteorologist Evan Duffey.

"The heat will likely be a bit of in and out through the summer with quick-moving systems bringing temperatures well above normal for a few days before a day or two of relief," he said. "Then temperatures will begin to rise again."

For areas that miss out on the cooling thunderstorms next week, Duffey also provided positive news.

"We feel that there is a good chance for rainfall to begin reaching more places as we head toward the end of the month," he said.

"We do not expect at this time for there to be enough rain to bring the entire Northeast out of its developing drought, but it may be enough to prevent conditions from deteriorating further."

The majority of the Northeast, north of the Pennsylvania Turnpike, were experiencing at least abnormally dry conditions when the United States Drought Monitor released its report last Thursday.

Severe drought conditions had developed in parts of Massachusetts and southern New Hampshire.