After a warm and beautiful Tuesday, humidity and rain plus storm chances rise through the week.
A warm front will lift north and allow for increasing clouds and humidity overnight.
Overnight lows will be in the mid 60s to low 70s across the region.
Watch for areas of patchy fog, especially south of Philadelphia overnight into Wednesday morning. The fog will lift by 9 a.m.
Wednesday will be mostly cloudy, warm and muggy with isolated afternoon showers.
A stray thunderstorm cannot be ruled out.
Thursday through Saturday will be hot and humid with afternoon and evening thunderstorms each day.
Highs will be the low 90s with a heat index around 100° each day.
