With the first full-week of July coming to a close, monsoon season is right around the corner for northeast Colorado. However, its arrival is not something you can mark on the calendar as there is no set date for its commencement. It fluctuates substantially from year to year, depending greatly on the weather patterns of Mexico, the southeast USA, and the tropical eastern Pacific Ocean. We discuss the current state of the atmosphere and when we expect the monsoon to finally arrive.