The morning of our tour it was snowing and the wind was whipping; so that sucked. BUT, the river was bright green as our tour was the day after the St. Patrick's parade, etc. So that was a highlight for sure. The length of this tour was perfect for us---short and sweet---covered all the architectural highlights and our tour guide, Scott, did a wonderful job with the educational pieces in a humorous way (the story about the "Arkansas Razorback Dad" was gold). Great tour & a great way to start our Chicago adventures on St. Patricks weekend! I would recommend this tour to all.