07/26/2026
Summary:
An active period of weather is expected through at least the middle of this coming week following several days of nice weather. Showers and thunderstorms are forecast each day starting Monday through at least Thursday, with the greatest threat of impacts and hazardous weather anticipated to occur on Tuesday. This briefing highlights the threats anticipated from thunderstorms Monday and Tuesday.
*Hazardous Weather:
Monday - Scattered thunderstorms. A few isolated thunderstorms could be strong to severe, with locally damaging wind gusts and brief heavy downpours.
Tuesday - Widespread showers and thunderstorms expected. Isolated to scattered severe thunderstorms possible, as well as a threat of heavy rainfall leading to flash flooding of urban and poor drainage areas, creeks, and streams.
*Locations affected:
Monday - Our entire forecast area.
Tuesday - The greatest risk of severe thunderstorms is near and south of Philadelphia. The greatest risk of flash flooding is along and northwest of the I-95 corridor.
*Timing:
Monday - During the afternoon and evening hours.
Tuesday - Showers and thunderstorms are anticipated to be ongoing most of the daytime hours, potentially lingering into the nighttime hours as well. Exact timing of Tuesday's threats are uncertain.
*Impacts:
Severe thunderstorms could cause tree damage leading to power outages, road closures, or structural damage. Flash flooding may cause rapid flooding of urban and poor drainage areas, creeks, and streams.