As an area of low pressure of the Tennessee River Valley lifts northeast towards New England today, the associated warm front will lift well to the north leading to clearing skies and very warm temperatures by this afternoon. However, with a series of weak disturbances on the way, isolated showers and thunderstorms will be a constant threat.
Showers will linger on this morning with a few embedded weak thunderstorms leading to periods of heavy downpours. Skies will clear by this afternoon however an isolated shower or thunderstorm remains a threat. Winds will back from the southeast to the southwest at 10 to 20 mph with gusts up to 30 mph. Temperatures will rise into the upper 50's to lower 60's along the immediate coast and far northern interior and lower to mid 60's throughout the rest of the Philadelphia and New York City metropolitan areas.
A series of disturbances will move through the region tonight on through Monday with a constant threat for isolated showers and isolated thunderstorms. The showers and thunderstorms, although isolated, will be capable of very heavy downpours for a short period of time along with occasional to frequent lightning, and strong wind gusts. The best potential for these showers and thunderstorms will be in the afternoon. Otherwise, most locations can expect scattered cloud cover through the period. Winds will settle from the southwest at 5 to 15 mph through the period. Temperatures tomorrow will range from the upper 30's to lower 40's for lows and upper 50's to lower 60's for highs. Temperatures on Thursday through Saturday will range from the upper 40's to lower 50's for lows and mid to upper 60's for highs. Temperatures on Sunday and Monday will range from the upper 40's to lower 50's for lows and upper 60's to lower 70's for highs.