The severe thunderstorms pose a risk of flash flooding in urban and low-lying areas across the Midwest, Northeast, and Mid-Atlantic regions. Tropical Storm Bertha is expected to bring heavy rainfall and strong winds to Gulf Coast states, increasing the risk of coastal flooding and power outages. The heat dome is creating dangerous conditions in the central U.S., with heat indices exceeding 100°F (37.8°C) in multiple states, posing health risks such as heat exhaustion and heat stroke. Toxic wildfire smoke is affecting air quality, particularly in the Great Lakes and Midwest, with potential respiratory impacts for sensitive groups, including children, older adults, and individuals with pre-existing conditions.