Interests include climate change and variability in the 19th and 20th centuries, extreme rainfall events, floods, droughts, heat waves, cold waves, Great Lakes storms, and Great Lakes water levels.
He is actively involved in providing climate services in Illinois through the media, talks, and his web site. He monitors climate conditions around the state as they unfold (e.g., drought). He is involved in the development and support of climate data networks within the state.