What do a spell of rain, an overcast of clouds, a lovely breeze, a scorching sun or a thunderstorm tell about the future? Today, on the occasion of World Meteorological Day, here is an insight into humanity’s journey towards understanding the dynamics of weather. It’s never been an easy one. As we uncover factors that spill some clues on what to expect, Nature throws a grand surprise and yet another difficult challenge, making weather forecasting meteorology more exciting than ever.