Storms can bring showers, floods in the Philly – NBC10 Philadelphia region

What to know

• The First Alert NBC10 weather team follows the threat of thunderstorms in the Philadelphia region on Wednesday August 13, 2025.
• Some storms could appear in the early afternoon, but most storms will probably appear on the radar between 4 p.m. and 10 p.m.
• Flood monitoring has been issued for our region, because some of the storms could produce heavy rains locally, leading to floods.
• These storms will not be rapid movers; Therefore, high rain locally for an extended period is possible. Some storms can produce gusts. The afternoon journey could take a little more time in certain regions that see these storms.
• Thursday could also present unequal storms, but much less is expected for tomorrow afternoon.