It is the time of year when the weather changes at a rapid pace. Sometimes it easier to understand graphically rather than in words. It is especially helpful to view a graphic if you are traveling. This web site provides a graphic forecast for the next 12, 24, 36 and 48 hours. It is well worth bookmarking for future reference. It is updated every three hours and includes some of the most sophisticated physics of all of the models available in weather prediction. See the link here.