2005 Other Jeep Models Smoking Radiator

Hi, My jeep has never caused me any probelms and then all of a sudden this morning I heard a faint rattle while I was driving to work. I get to work and while sitting in my car, I saw white smoke coming from my radiator. I shut the car off and went to look at it and smoke was still coming out. It was not a large amount of smoke nor do I remember my temp gage go into the red zone. Could it be just a hole in my oneof my hoses or something more serious? Thanks