When you start seeing vertical development in storm clouds, there’s a good chance rain is on the way. Here’s a picture of some clouds outside right now, and the associated radar image from my iPhone.
I stumbled across this today, and thought it was worth sharing. There are lots of ways to forecast the weather without relying on gadgets. Knowing how to do it old school is a great skill to have, and helps you understand the fundamental properties of weather. Check out this graphic, and have fun learning!