A premonition can be a warning of events that are to come without having any solid proof to support the feelings or the visions. By definition, a premonition is a feeling that something, especially something unpleasant is going to happen. Premonitions come in a variety of ways and take on different forms. They can be dreams, messages from people who died or they can be that gut feeling that you have that something is off track in a situation. It also can be a psychic ability to pick up on things that no one else can. People over the years have had premonitions of pending disasters and illness. There were premonitions in the Bible to warn people about possible problems or challenges on the horizon. However, sometimes knowing something is not always a premonition, it could be more casual, like knowing someone is going to call. Here are 5 unknown facts on premonitions to consider.