Further north, elevated convection has developed north of a boundary in the Chicagoland area, while other storms were attempting to develop near the surface boundary across east-central IL.
Tuesday's sunrise is at 6:12 a.m., and Tuesday's sunset is at 8:48 p.m.
Weather radar from AccuWeather showed afternoon storms moving west to east across MA and northern CT, approaching Rhode Island after 5 p.m. The warm and humid air this morning will become a key ingredient for more severe weather later this afternoon and evening in the Lehigh Valley.
The most significant threat would be damaging straight line wind gusts, perhaps out ahead of or during a line of severe thunderstorms.
Rainfall totals are expected to be about half an inch, with some areas seeing more because of storms. Always remember never try to drive across a flooded road "Turn Around Don't Drown" it can save your life.
A flash flood watch means there is the potential for flash flooding which can be life-threatening. Additional thunderstorms are possible tonight.
TOMORROW - Overcast with Areas Of Showers.
Another round of hail, thunderstorms and rain will hit Denver early Tuesday afternoon, forecasters say.
A potentially heavy rain event for Friday night and Saturday will move in, and this has a tropical connection so plentiful moisture will be available.
There is a slight chance of showers and storms for the KVOE listening area by late afternoon with a better chance around sunset.