Philadelphia Weather: Severe Storm Threat Expected To Bring Heavy Rain, Flash Flooding To Region

PHILADELPHIA (CBS) - Severe storms are expected to bring heavy rain, frequent lightning and flash flooding to the Delaware Valley on Wednesday. Most of the area is under a slight risk for severe weather but there is still the possibility for damaging winds, hail and even a tornado.

(credit: CBS3)

The storms are expected to start after 2 p.m. and could be at its worst at the close of the evening rush. Drivers can expect to be blinded by the downpours during the evening commute. Some of the storms are expected to be severe.

A severe thunderstorm warning has been issued for Philadelphia and the region until 5:15 p.m.

(credit: CBS3)

The storms will form as individual cells or clusters of cells and then will likely congeal into a more organized line. There is a 95% chance of a severe weather watch issuance for the area per the Storm Prediction Center.

(credit: CBS3)

The biggest concern, for now, will be the threat for flash flooding, particularly across the Interstate 95 corridor and portions of the Coastal Plains. Some areas could see one to two inches of rain, while localized areas could possibly see three to four inches.

A flash flood watch has been issued for Philadelphia, surrounding suburbs and portions of South Jersey from 2 p.m. until 10 p.m.

The severe weather threat should end by 10 p.m. for most of the region.

Most of the action will be happening on Wednesday but after Thursday the sun is expected to come back with comfortable warmth.

THIS AFTERNOON -- Hot & Humid, Late Day T-Storms Develop, Some Severe. High 90.

TONIGHT - Showers and T-Storms, Then Clearing. Low 71

TOMORROW -- Mix of Sun and Clouds with a Spotty T-Storm. High 88.

FRIDAY -- Mostly Sunny and Less Humid. High 87.

SATURDAY -- Sunny, Low Humidity. High 82.

SUNDAY -- Mostly Sunny and Nice. High 85.

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