AccuWeather: Warm and humid start to the weekend in the Philadelphia region

PHILADELPHIA (WPVI) -- Temperatures climb into the mid-80s Saturday with downpours and storms developing later at night.

SATURDAY: Partly sunny, very warm and humid, high 86. The bulk of the day is dry, but as a cold front approaches from the west, we will see downpours and storms developing later in the evening. The focus of the rain and storm threat is mainly northwest of the I-95 corridor.

SUNDAY: It's looking like the rain may hold off for the start of the Independence Blue Cross Broad Street Run. It will be humid with plenty of clouds and temperatures in the 60s during the race. By mid-morning, temperatures will already be approaching 70 degrees, and showers will start developing. The wettest period of the day will be during the afternoon and evening, high 74.

MONDAY: Rather cloudy with showers around. A period of more sustained rain and thundershowers develops later in the day and at night, high 70,

TUESDAY: Remaining damp with occasional rain, high 71.

WEDNESDAY: We're drying out with morning clouds to some afternoon sun, high 74.

THURSDAY: Partly sunny, high 74.

FRIDAY: Sun and clouds, high 72.