Warmer Weather Brings Surge In Cat Population Posted on February 20, 2020 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Chicago’s mild winter is having an impact on local cats. 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: