The severe weather has caused significant disruptions, including power outages affecting thousands of residents in both Iowa and Illinois. The NWS warned of potential injuries from large hail and flash flooding, posing risks to both people and animals outdoors. Downed power lines and tree limbs have created additional hazards, while schools and public services have been forced to close or operate with limited functionality. The storms also impacted air travel, with delays and cancellations reported at Quad City International Airport.