Originally Posted by phughes

Do you have a pad to sleep on? A good pad will go a long way to keeping you warm. When you lie in a sleeping bag, the insulation underneath you will compress, lessening its insulating properties. If you do not have a pad, stop in the Walmart where you are planning on parking, and buy one of the blue closed cell foam sleeping pads they have in the camping section. They are not expensive and it will help keep you warm, and comfortable.