The primary risks include damaging wind gusts, flash flooding, and localized hail. Urban areas like New York City and Washington, D.C., are particularly vulnerable to flash flooding due to saturated ground from recent rainfall. A Level 1 out of 4 flash flood risk is in place across the Northeast, Ohio Valley, and Southeast through Saturday. Residents in low-lying areas and near water bodies should remain vigilant as heavy rainfall could lead to rapid water accumulation.