Chance of severe storms in Philadelphia Sunday as remnants of Hurricane Isaias hit region. Here's the forecast.: news
11-10-2026
Remnants of Hurricane Isaias Bring Severe Storm Risk and Heavy Rain to Philadelphia
Residents across the greater Philadelphia area and Delaware Valley face wet and turbulent conditions Sunday as the tropical remnants of Hurricane Isaias track across the Mid-Atlantic region. Regional meteorologists have issued active weather alerts, urging travelers and locals to plan ahead for heavy precipitation, gusty winds, and localized travel hazards.
CBS News+ 1Philadelphia Storm Timeline and Key Weather Hazards
Heavy Rainfall and Flash Flood Threat: Steady rain will spread across southeastern Pennsylvania and southern New Jersey throughout Sunday. Most neighborhoods can expect 1 to 2 inches of rainfall, with localized totals reaching up to 3 to 4 inches in heavier downpours. A marginal risk of flash flooding remains active for poor-drainage streets and low-lying roadways.
CBS News+ 1Damaging Wind Gusts: Sustained easterly winds will hold between 10 and 20 mph, with gusts reaching 25 to 35 mph across inland areas and topping 40 mph closer to the Jersey Shore and Delaware coastline. The combination of saturated soil and wind gusts could down isolated tree branches and trigger sporadic power outages.
CBS NewsSevere Thunderstorm and Coastal Flood Potential: An embedded convective line moving through Sunday afternoon and evening brings a marginal risk of isolated severe thunderstorms and brief coastal flooding near high tide along the Delaware Bay and coastal inlets.
FOX 29 Philadelphia
Extended Delaware Valley Forecast: Looking Ahead to the Workweek
Conditions will slowly begin to dry out by Monday midday following lingering morning showers as the remnant low-pressure system pushes offshore.
CBS NewsSunday: Rain and embedded thunderstorms; breezy with highs around 67°F (19°C) and lows near 60°F (16°C).
CBS NewsMonday: Scattered early morning showers tapering off, gradual afternoon clearing; high of 73°F (23°C).
CBS NewsTuesday: Drier, sunnier skies with mild autumn temperatures warming into the upper 70s.
CBS News