Philly Weekend Weather Forecast

Slow moving low pressure situated over the St Lawrence Valley will rotate upper air disturbances through our area for much of Saturday.

The models maintain a chance of showers throughout the day on Saturday, with light  precipitation most likely in the early morning and again late afternoon with heavier thunderstorms.   During much of the daytime, showers will be widely scattered and we likely will have a fair amount of of sunshine through variable cloudiness.   Showers and thunderstorms will become more organized after 4 pm on Saturday.  Hot and humid conditions with highs near 90 on Saturday.

A cold front finally moves through Saturday evening, with a drop off in dew points and temperatures late.

Sunday looks to be partly cloudy/ partly  sunny and lower humidity  with high temperatures in the 80s.

Updated Friday 11 pm: The low pressure system in  the St Lawrence valley may redevelop off the mid Atlantic coast  giving us a chance of scattered showers Sunday afternoon.