Updated Sat 11:16 PM — Some models are predicting as much as 0.6”-1.1” of rain Sunday night into Monday morning.
Updated Sat 9:53 PM —A warm front had been expected to move in late Sunday night. Things have speeded up a bit. The latest models show clouds moving in as early as 1-2 PM Sunday and becoming mostly cloudy by late afternoon. Some showers develop early evening.
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There’s a chance of some light accumulating rain early Monday morning.
Updated Fri 10:52 PM — Tonight’s early models show the following minor forecast changes— Saturday’s high temperatures will be warmer, just under 90°.
Sunday has some significant mid level cloudiness developing during the afternoon with some light scattered showers in the evening south of the city.
Previously Posted Fri 6:01 PM —
A front moves through later tonight. As forecast in my morning update, very little rain is expected tonight in the immediate Philadelphia area; most of the light rain will move off to the northwest, affecting northwest suburbs, while another disturbance brings light rain to NJ. We may get some light showers this evening and again about 3 AM.
Clearing by Saturday as high pressure builds in for the weekend.
Not many chances of rain in the coming week. Very strong upper level high pressure builds in after Wednesday bringing very hot and dry weather for us. We may be seeing 100º temperatures again.
Saturday
Sunny and warm. High 86.6º sd 1.0º NBM model Blue Bell, PA
Sunday
Sunny and warmer. Some increasing cloudiness during the mid to late afternoon as a warm front will be approaching Sunday night. High 87.8º sd 2.8º NBM model Blue Bell, PA
Weather… and Other Things 'Up in the Air'
