It appears the dry comfortable air mass now in the Northeast will be replaced by a humid flow from the South Atlantic states for the coming weekend. An upper-air forecast map sequence in the video shows how this could happen.
At least two areas of heavy rains through this weekend may result in flooding problems.
Here's a cool fact: even when Death Valley, California, has a temperature of 110 or 120 degrees, you only have to go up a little more than 3.5 miles to find temperatures at or below freezing.
A vibrant flower and insect in Franklin Park, New Jersey, taken by "bird11" on July 29, 2014. Upload to http://photo.accuweather.com to qualify!
A look at the above-normal warmth that prevailed across much of Europe in July.
Heat and Humidity will attack the trough and result in heavy rains and heavy thunderstorms.
Here is my latest interpretation of the ECMWF weekly long range forecast model through the 3rd week of August.
Drying out, cooling down in the east. Staying warm, staying stormy in the west.