The term "bad weather" refers to any type of adverse or unfavorable conditions in the atmosphere, such as rain, snow, wind, thunderstorms, fog, sleet, hail, and other forms of precipitation. It can also refer to extreme temperatures, such as heatwaves or cold snaps, that may cause discomfort or pose a risk to human health. In essence, "bad weather" is any condition in the atmosphere that causes inconvenience, danger, or damage to property and infrastructure.