What to Know
- A First Alert for heat, humidity and severe storms is in effect through Saturday evening for most of the Philadelphia region.
- Scattered downpours and localized flooding are possible as storms move pop up Friday and Saturday.
- The heat index could get to 100 as the heat wave continues.
The tropical humidity and heat will hit its peak Friday and Saturday as the post-July 4th weekend starts with possible downpours and thunderstorms.
A First Alert for afternoon and evening severe storms is in effect for the Philadelphia region, with the exception of the Jersey Shore, through Saturday night.
The sun will help fuel pop-up storms and downpours throughout Friday evening and Saturday, with more than an inch of rain per hour possible. These conditions could lead to localized flooding.
While the shore currently isn’t under threat of severe storms, a First Alert could likely be expanded to include the Delaware and Jersey beaches Saturday afternoon and evening.
In addition to the possibility of heavy rain, our second heat wave of the season will continue with oppressive humidity making the heat feel even worse. Temperatures Tuesday through Thursday reached the lower 90s and we’ll see similar highs this weekend.
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Daytime highs will be in the 90s with feels-like temperatures between 95 and 102. There will be no relief at night with lows in the mid 70s and a heat index in the 80s.
The heat wave breaks on Sunday with a few more thunderstorms and gradually falling humidity during the afternoon.
With so many outdoor festivities and activities, it is important to monitor the weather each day. Be sure to hydrate, take advantage of shade and air conditioning and be aware of any approaching thunderstorms.
To stay ahead of the weather be sure to download our free NBC10 App where you can check temperatures, humidity, heat indexes and track thunderstorms.
