Philadelphia/ Weather & Environment

Tidal Flood Advisory And Rising Weekend Rain Chances In Philly

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Published on September 24, 2026
Tidal Flood Advisory And Rising Weekend Rain Chances In PhillySource: Google Street View

Philadelphia is heading into a mostly dry Thursday with a high near 66 degrees. A coastal flood advisory for the tidal Delaware River lasts through Thursday night's high tide, and rain potential is increasing for the weekend.

Mostly Dry Thursday, With Tidal Flooding Concerns

The National Weather Service in Mount Holly expects minor tidal flooding along the tidal Delaware River through Thursday night's high tide.

Drivers should avoid leaving vehicles in flood-prone areas and never drive through water on a road, especially near tidal waterways.

Rain Chances Build Into A Damp Weekend

Friday will be warmer, reaching about 71 degrees, but a slight chance of rain showers arrives after 2 p.m. Rain potential increases over the weekend.

Rain potential is expected to increase over the weekend.

The latest update is a sharper turn from Wednesday's Hoodline forecast, with weekend rain potential increasing.