Despite starting the week relatively low, humidity will soon build around Washington, D.C., and allow drenching thunderstorms to return at midweek.
Those with outdoor plans and projects should take advantage of the dry stretch of weather through midday Tuesday. High pressure will be overhead during that time but will slowly depart.
Humidity will first increase on Tuesday, setting the stage for spotty afternoon thunderstorms to rattle a few northern and western suburbs.
The combination of the sticky air and a storm system moving in from the Midwest will bring more numerous thunderstorms to the nation's capital on Wednesday.
The most active time of Wednesday is likely to be the afternoon when some of the thunderstorms will unleash blinding and flooding downpours.
Commuters may be faced with a slow ride home, while flight delays are possible.
As long as the storm system creating Wednesday's storminess is not slower to depart, a dry Thursday should unfold before the thunderstorm chance quickly returns for Friday.
High temperatures this week will range from the middle 80s to the lower 90s. Average highs for the end of June are in the middle 80s.
AccuWeather.com Senior Meteorologist Alex Sosnowski contributed to this story.
The tropical Atlantic has quieted down, but that may change in the coming days in the southwestern Gulf of Mexico's Bay of Campeche.
A change in the weather pattern will signal warmer, more summerlike conditions across the East Coast to bring in the new month.
After an earthquake hit in the area, a volcanic eruption occurred Friday in Iceland, resulting in a temporary no-fly order.
Labor Day weekend traditionally marks the unofficial end to summer, but the weather has another idea in mind around Harrisburg with a prolonged stretch of summer warmth underway.
Showers and thunderstorms will continue to threaten to interfere with outdoor plans around Pittsburgh through the remainder of this Labor Day holiday weekend.
An outbreak of severe weather, including a few tornadoes, threatens to ruin the holiday weekend across the North Central U.S. states.
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46 degrees -- coldest ever in August.
Three inches of snow fell in parts of the state; record lows were set in 31 northeastern U.S. cities and towns.
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Lightning sets numerous house and trailer fires. Firefighters could not keep up with all the fires that were burning.