I guess my cats are useless. They don't know when it's going to rain, they don't know when my blood sugar crashes, the only thing they ever noticed was when the upstairs apartment was broken into. They also know when someone is on the patio about to ring the doorbell, but these are not hard things for even me to figure out.

The only thing I've ever noticed was a foster, Misty, who could hear a palmetto bug (to all you yankees and non-US folks - those huge flying roaches that live in the trees and shrubbery that sometimes find their nasty way into your house) from two rooms away!