Puffy white clouds sailing across a blue sky indicate continuing fair weather. But if they mass together to form tall, anvil-shaped clouds, be prepared for a lightning-filled thunderstorm, even if the sun in shining brightly.
If your ever out on a clear night and the moon is shining, one way to know that bad weather is coming is to see a ring around the moon, rain or snow depending on the time of year will usually come within 3 days
