Explore the critical intersection of water, weather, and climate in this thought-provoking Langbein Lecture from the AGU Fall Meeting 2009. Join retired NOAA/National Weather Service expert John C Schaake as he delves into the pressing question: "What can we know about our future water resources, weather patterns, and climate changes?" Over the course of 70 minutes, gain valuable insights into the complexities of predicting and understanding these interconnected systems, and consider the implications for future resource management and environmental planning.