The storm poses significant risks of flash flooding, especially in urban areas and locations with poor drainage. Areas already saturated from recent rainfall, such as northern New Jersey, are at heightened risk. Severe thunderstorms with damaging winds and isolated tornadoes are also possible, particularly in the Great Lakes and Ohio Valley regions. Travel disruptions, including flooded roads and delayed flights, are likely across the Northeast. Flash flooding is a leading weather hazard, and its impacts could mirror past events, such as the deadly flooding caused by Hurricane Ida in 2021.