What would you conclude about the weather if you could see cumulonimbus clouds in the sky?

If you see cumulonimbus clouds in the sky, it typically indicates the potential for severe weather conditions, such as thunderstorms, heavy rain, and even hail or tornadoes. These towering clouds are associated with strong updrafts and unstable atmospheric conditions. Therefore, it would be wise to prepare for possible stormy weather when observing these clouds.