By Carol Erickson

PHILADELPHIA (CBS) — When it rains it pours, at least lately. This month was the wettest June on record in Philadelphia and more heavy rain is expected as we head into Sunday afternoon right through Tuesday.

A stalled out front to the east and trough to the west will continue to funnel moisture into the area. When a little area of low pressure moves along that boundary too, and sometimes very slowly, heavy rain can result.

A flash flood watch begins late Sunday night until Monday night with the chance of rainfall rates of one to two inches per hour. Some spots will get wetter than others, but the ground is saturated without more rain, so more can be too much.

This month’s record 10.11 inches of rain surpasses the previous wettest June rainfall record of 10.06 inches set in 1938.

We finish June with more rain and start July with more rain.

When it rains, it pours.

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