The models over-predicted the rain totals by about 1-1.5 inches.

The latest Model Blend  (NBM) rain forecast for tonight through Monday night for the Philadelphia area showing  2.0 – 3.5 inches of rain, especially east into NJ—

NBM accumulated rain forecast (Click on image for a larger view.)

Heaviest rain will be Monday morning, but rain should persist through the day into the evening. Wind gusts 35-40 mph possible.

The models are again holding back the rain until late afternoon.

Based on the latest model runs, very light scattered sprinkles are possible 3-5 PM today in the immediate Philadelphia area, but the main area of rain arrives between 5-7 PM, moving up from south.