They usually do come down after the first uncomfortable night in the tree. There is plenty of stored fat to sustain a cat for many days in a tree without starving and their fur will usually keep them warm. Besides, a cat accustomed to a human rescue could turn out to be a costly habit. However, there are times when a speedy rescue might be appropriate. Call for help if the weather is bad.
Rain can get cats wet and thunder storms are terrifying.
Cold days with low wind chill factors or excessive heat can hurt cats. Call for help if the family is experiencing high levels of stress because of the stranded cat. This is especially so if children are overly concerned. A cat will usually meow constantly, even through the entire night with no letup.